Brand | FIRST ALERT |
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Style | SCO501CN-3ST |
Power Source | Battery Powered |
Color | White |
Product Dimensions | 2"D x 5"W x 5"H |
Item Weight | 3.2 ounces |
Alarm | Audible |
Sensor Type | electrochemical,photoelectric |
Global Trade Identification Number | 00029054002457 |
Material | FIRST ALERT SCO501CN-3ST ONELINK Battery-Operated Combination Smoke & Carbon Monoxide Alarm with |
Manufacturer | First Alert |
UPC | 029054002457 |
Part Number | SCO500 |
Country of Origin | Mexico |
Item model number | SCO500 |
Batteries | 2 AA batteries required. (included) |
Is Discontinued By Manufacturer | No |
Size | 1-pack |
Pattern | Alarm |
Voltage | 120 Volts |
Item Package Quantity | 1 |
Number Of Pieces | 1 |
Included Components | Smoke detector, batteries |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Warranty Description | 7 Year |
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First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated (pack of 1)
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | FIRST ALERT |
Style | SCO501CN-3ST |
Power Source | Battery Powered |
Color | White |
Product Dimensions | 2"D x 5"W x 5"H |
Item Weight | 3.2 ounces |
Alarm | Audible |
Sensor Type | electrochemical,photoelectric |
Global Trade Identification Number | 00029054002457 |
Material | FIRST ALERT SCO501CN-3ST ONELINK Battery-Operated Combination Smoke & Carbon Monoxide Alarm with |
About this item
- The front cover design of the alarm may vary but product function remains the same.
- Battery operated smoke and carbon monoxide alarm can be installed easily
- Connects multiple alarms together for wireless safety network
- Voice alarm gives clear indication of where the problem is located
- Features photoelectric smoke sensor and electrochemical CO sensor
- One button silences a false alarm and tests the unit. Loud 85 decibel alarm
- NOTE: Kindly refer to the user manual provided as a PDF manual in the product description section
- First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)
- Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires
Customer ratings by feature
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From the manufacturer
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Emergency: Carbon monoxide has been detected. Move to fresh air and call 911. |
Low battery: It's time to replace the batteries in your carbon monoxide alarm. |
End of life: It's time to replace your carbon monoxide alarm. |
Product information
Technical Details
Additional Information
ASIN | B000EVO7C2 |
---|---|
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #8,439 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #29 in Smoke & Carbon Monoxide Alarms |
Date First Available | December 7, 2003 |
Warranty & Support
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First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated (pack of 1)
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Product Description
The First Alert SCO501CN 3ST Combination Smoke and Carbon Monoxide Alarm with Voice Location detects both smoke and carbon monoxide in a single device. The alarm interconnects with up to 18 other First Alert enabled alarms in your home to create a wireless safety network. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower steam while remaining sensitive to real danger. The advanced electrochemical CO sensor detects carbon monoxide leaks from multiple sources, including faulty fuel burning appliances. A loud 85 decibel siren and a voice alarm with 11 programmable locations indicate where and what the threat is. EZ access battery drawer, no need to remove alarm from ceiling to change battery.
Compare with similar items
This Item FIRST ALERT First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated (pack of 1) | Recommendations | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $42.75$42.75 | $97.39$97.39 | $44.99$44.99 | -30% $49.23$49.23 List: $69.99 | $45.99$45.99 |
Delivery | — | Get it as soon as Wednesday, Jul 24 | Get it as soon as Wednesday, Jul 24 | Get it as soon as Thursday, Jul 25 | — |
Customer Ratings | |||||
Easy to install | 4.4 | 4.6 | 4.6 | 4.2 | 4.6 |
Battery life | 4.2 | 4.2 | 4.2 | 3.1 | 4.2 |
Value for money | 4.1 | 4.2 | 4.2 | 3.0 | 3.8 |
Noise level | 4.4 | 4.5 | 4.5 | — | — |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | X-Sense US |
power source | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered |
sensor type | electrochemical,photoelectric | Photoelectric | Photoelectric | Photoelectric | Photoelectric, Electrochemical |
style | SCO501CN-3ST | Standard Profile with Audible Alert | Standard Profile with Audible Alert | SMCO210V | Wi-Fi Connected Model |
alarm | Audible | Smoke, CO | Smoke, CO | Combination Alarm | Audible |
weight | 0.2 pounds | 1.55 pounds | 0.52 pounds | 0.41 pounds | — |
Important information
120 volts
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the ease of installation and detection of the gas smoke fire alarm. They mention that it's easy to set up and program, and the voice and instructions are very clear. They appreciate the photoelectric smoke detection and say it'll be an excellent upgrade to plain old smoke detectors. Customers also praise the performance, saying that it appears to work well. However, some customers disagree on battery life, value, volume, connectivity, and quality.
AI-generated from the text of customer reviews
Customers find the installation of the gas smoke fire alarm to be easy. They mention that the units are easy to set up and install, and the programming is a breeze. They also say that mounting the devices is as easy as installing any other basic device. Additionally, customers appreciate the clear voice and instructions.
"...fine and satisfied the local code, it is super loud and uses an english speaking voice to alert you where the fire or CO problem is detected in your..." Read more
"...Once you have the main programming completed, mounting the devices is as easy as installing any other basic smoke detector, using the provided..." Read more
"...The instructions were pretty easy to follow, and after connecting 2 or 3 units, you'll likely be able to do it without referencing them...." Read more
"...SCO501CN and thus far after a few weeks, no false alarms and they all installed easily (and into the same ceiling base as the old ones)...." Read more
Customers like the performance of the gas smoke fire alarm. They say it appears to work well, the original detectors worked great for 9 years, and it tested flawlessly. Some mention that the detectors communicate with no problems and are easy to program.
"...So far, no false alarms and the units are working fine. I have read the "one star" reviews and people have had false alarms after a period of time...." Read more
"...This is a very useful feature, since an alarm in the basement may not be heard by sleeping individuals in an upstairs bedroom...." Read more
"...It works perfectly. Buy it and don't think twice." Read more
"...One recently stopped working, however, so I called First Alert warranty department - within 5 minutes, a new one was on its way to me...." Read more
Customers have mixed opinions about the connectivity of the gas smoke fire alarm. Some like the wireless interconnect and Voice Alert features, saying that they make a whole house network of smoke detectors. However, others say that the devices didn't network and didn''t communicate with each other. The wireless inter connect does not reach their hallway and the alarms didn';t always link reliably.
"...Interconnection worked fine and satisfied the local code, it is super loud and uses an english speaking voice to alert you where the fire or CO..." Read more
"...It is a 2-in-1 device, giving your home protection from both smoke and carbon monoxide...." Read more
"...These units cannot connect to my Ring Alarm system. That is fine with me as I discuss in my review of the ZCOMBO model...." Read more
"...alarms, voice instead of crazy beeps when there is a problem, and interconnected...." Read more
Customers like the detection of the gas smoke fire alarm. They say it's a great smoke and carbon monoxide detector, an excellent upgrade to plain old smoke detectors, and a quick and easy setup. Customers also mention that it'll find where the smoke or CO2 is located. Overall, they consider it to be one of the best fire alarms on the market.
"...I think that the First Alert SCO500B is a good smoke/CO alarm and I would recommend this model...." Read more
"Great product, they connect to each other for the best safety." Read more
"Programmable for location. Protects against smoke, and CO." Read more
"I love how they're smoke and carbon monoxide together, so I put one in the basement by my furnace and water heater for carbon monoxide, plus if a..." Read more
Customers have mixed opinions about the quality of the gas smoke fire alarm. Some mention that they have had no false alarms yet, due to the electric technology. However, others say that one of the units started to malfunction after the second year of operation, and that the failure rate is near 50%.
"...One of the units started to malfunction after the second year of operation (I kept hearing a series of chirps which implied a malfunction)...." Read more
"...So far, no false alarms and the units are working fine. I have read the "one star" reviews and people have had false alarms after a period of time...." Read more
"...They were a bit fussy, noisy, and time-consuming to set up, but no complaints once everything was up and running...." Read more
"...Both units worked fine for appx 7 weeks, just recently they started going off randomly since they were interconnected...." Read more
Customers have mixed opinions about the volume of the gas smoke fire alarm. Some find it to be loud and clear, while others say it's extremely loud and annoying.
"...Interconnection worked fine and satisfied the local code, it is super loud and uses an english speaking voice to alert you where the fire or CO..." Read more
"...of where smoke or CO is detected is slightly distorted because it's so loud, but it's still easy enough to understand...." Read more
"...The OneLink produces a loud, 85db alarm, plus a talking alarm for added safety...." Read more
"...What we liked was: no false alarms, voice instead of crazy beeps when there is a problem, and interconnected...." Read more
Customers have mixed opinions about the value of the gas smoke fire alarm. Some say it's a good unit at a reasonable price, and the One-Link system works. They also appreciate the inexpensive AA batteries. However, other customers feel it'd be better to look elsewhere and save money.
"...Nest Protect units, I can get a good smoke/CO alarm system at a reasonable price...." Read more
"...and carbon monoxide sensors installed with it, as they were extremely expensive...." Read more
"...It was a no brainer to get these again. The price was even cheaper than 9 years ago," Read more
"...and never had to depend on these items, but it's the cheapest insurance you can buy." Read more
Customers have mixed opinions about the battery life of the gas smoke fire alarm. Some mention that the batteries have lasted 9 months so far with no problems, while others say that they're nearly dead.
"...The batteries last well over a year - I "accidentally" left the (Alkaline Duracell) batteries in all units for 2 years, and all units were still..." Read more
"...However, they will drive you up the wall. The battery life is awful—I’ve had to replace batteries in two devices already and they’re barely a year..." Read more
"...The alarms do have a talking low battery alert, which is supposed to sound every 5 hours or so when the batteries are in need of replacement...." Read more
"After about 7 years these units must be replaced due to the C02 sensor wears out...." Read more
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As I discussed in my other review of the ZCOMBO unit, people should not just assume that getting a CO alarm means that the unit is broken. There are many possible reasons why CO may be in your house and before declaring them defective, it is important to get a professional or the fire department to check your house. If you do an online search of CO in your house you will see that it is possible that a crack can develop in a furnace causing CO to mix with the heated air. Also, gas appliances such as heaters and even gas stoves, if not vented correctly can cause CO to enter a house. If one of these signals a CO alarm, take it very seriously because your life could be at risk. Don't ever assume that the alarm is simply broken until you are absolutely sure it is.
I read a review of this item saying that the alarm on these units might not be heard by older people with hearing loss. The alarm on these units is very loud and someone would really have to be very hard of hearing to not hear this. In fact, when setting these up, you should probably wear ear protection because the alarm is very loud. I would recommend that people wear ear plugs even when testing these alarms.
When setting these up, it is important to follow the instructions on the enclosed sheet because it is not easy to figure out without instructions. I found that the setup was easy when following the instructions. There are also some reviews here that have setup instructions, which can also be helpful.
I consider these the best units that I could find for warning me about fire or CO when I am home. The only problem is that it will not notify me if I am away from home. I have decided that I am also going to buy two Nest Protect Smoke/CO alarms, one for each level of my home and in rooms that do not have this unit, the First Alert SCO500B. It is simply too expensive for me to buy six Nest Protect alarms which would be close to $700. I think that buying four of these units and two Nest Protect units, I can get a good smoke/CO alarm system at a reasonable price.
In the future, if I decide that I want to connect these alarms with my Ring Alarm system, I will purchase a Ring Listener which is designed to be installed near and alarm and will send an alert to the Ring alarm monitoring company. I am still worried about connecting my Ring Alarm with smoke/CO detectors. The reason is that if there is any type of alarm sent, even false ones, Ring monitoring will send out the local fire department and they cannot be recalled. In my city, false alarms will get fined at increasing amounts and your alarm license can be banned for too many false alarms.
I think that the First Alert SCO500B is a good smoke/CO alarm and I would recommend this model. Realize though that all smoke alarms are now designed to have a seven year life span. So know that in seven years all these units will have to be replaced with new ones.
Every time I test, I ensure that all units go off when I activate one of the units. They are really loud! That's a good thing :P There is no way I could sleep through all of that. The announcement of where smoke or CO is detected is slightly distorted because it's so loud, but it's still easy enough to understand.
I've never had a false alarm within this time, nor have I had a true alarm. One of the units started to malfunction after the second year of operation (I kept hearing a series of chirps which implied a malfunction). I reached out to First Alert, and they sent me out a new replacement for the cost of shipping.
They are nearing their end of life soon, and I plan on replacing with similar units.
My wife and I recently decided to move our bedroom into the basement level of our home. It allowed our three children to all have a room of their own, but we were very concerned about what would happen if there was a fire and we did not hear an alarm go off on the upper level of our home. We were also concerned about the potential of carbon monoxide poisoning. It is the first time that we were not sleeping close to our children, as we were now down a level and on the complete opposite end of our home. We had a home security system installed, which also gave us some protection from fire, but we could not afford to have an adequate number of smoke and carbon monoxide sensors installed with it, as they were extremely expensive. Our security system is made by First Alert Pro, and when I explained my concerns about better protection, to the person installing the system, he recommended that we look into the OneLink combination smoke and CO alarms by First Alert. He told us that when one alarm goes off it sends a signal to every other OneLink detector in the house, causing all of the alarms to go off at the same time. He also told us that the alarms have a talking voice module, which actually tells you where the smoke or carbon monoxide is being detected. Research also shows that young children are more likely to wake up and take action when they hear a voice, rather than just hearing a beeping sound. I don't know much about that but I have read this information in several places on the Internet.
I could not find the OneLink combination smoke and CO alarms at any local retailers, but I was able to find them at several sites on the Internet. Needless to say, they are not cheap! However, after researching this model online, I was impressed by the features and I read a lot of glowing reviews for them. Since you can add as many detectors as you want, whenever you want, I decided to start out with three of them and add more as I could afford them. The included instruction manual is pretty straightforward but setting up and installing the first detector was a little tricky. It's not that complicated but timing is a key element in programming this alarm. You start out by installing 2 AA batteries (included in the package), which will cause the alarm to say "Welcome, First Alert Smoke and Carbon Monoxide Alarm. No location programmed. To select location, press and hold test button now." This is where the timing part comes in. As instructed, you press and hold the test button until the Alarm starts speaking again, at which time you release the button again. When you do this, the voice module will say "To save location, press and hold test button after desired location is heard." The voice will then begin listing off room names in a typical house. The choices are as follows: Basement, Living Room, Family Room, Office, Kitchen, Dining Room, Hallway, Child's Bedroom, Master Bedroom, Guest Bedroom, Utility Room. Once you hear the name of the room that you want to setup the detector for, you must quickly press and hold the button down. It will announce the room name you have chosen and will tell you that the location has been saved. If you mess up this step, you can remove the batteries, wait for a couple of minutes and reinstall the batteries again, to start the entire process over.
To add and link additional OneLink alarms, you must hold down the test button when you insert the batteries. Once you hear the unit chirp you release the button. At this point the green power LED should start to blink. You are then to hold down the test button on the first alarm you setup, until the second alarm chirps. You repeat these steps for each additional OneLink alarm you wish to integrate into your home. Once you have the main programming completed, mounting the devices is as easy as installing any other basic smoke detector, using the provided mounting screws.
My wife and I started by purchasing and installing three of the First Alert OneLink Battery Operated Combination Smoke and Carbon Monoxide Alarms (SCO501NC-3ST). As all First Alert OneLink devices can be linked with each other, we will likely add a few smoke-only detectors in the near future. We have installed one of the OneLink detectors in the kitchen, one in the hallway (right outside our children's bedrooms), and one just outside our bedroom in the basement. So far they have been working flawlessly. We test them every couple of weeks or so, and pushing the test button on one detector causes them all to go off, as they are supposed to. The real test was when my wife recently had a "cooking accident," which caused a fair amount of smoke in the kitchen. The alarm in the kitchen went off first, which triggered the other two OneLink alarms in the house. I was in my office downstairs when the basement alarm sounded; saying "Warning, Evacuate, Smoke in Kitchen, Evacuate!" Shortly after I silenced the kitchen alarm, the hallway alarm went off, which set off the other two alarms as well. This time the spoken warning stated that smoke was detected in hallway. The alarms simply added to my wife's frustration in trying to get the burning dinner situation under control, but I was delighted that the alarms were working as promised.
The First Alert OneLink Combination Smoke Alarm and Carbon Monoxide Detector allows you to build a safety network of wireless, interconnected alarms in your home. You can wirelessly connect up to 16 OneLink alarms in your home. When one alarm sounds they will all begin to sound. This device features a talking alarm, with an actual voice that speaks the type and location of the danger in your home. It is a 2-in-1 device, giving your home protection from both smoke and carbon monoxide. The smoke detector uses photo-electric technology, which helps prevent false alarms like those caused by cooking and shower steam. An EZ access battery drawer provides the ability to change the batteries without removing the alarm from the ceiling. The CO sensor is an electrochemical type, which is the most accurate technology available for detecting carbon monoxide. The OneLink produces a loud, 85db alarm, plus a talking alarm for added safety. The package includes the OneLink combination smoke and CO detector/alarm, a pair of AA batteries, mounting hardware and instruction manual. First Alert claims that this device has a 6-year lifecycle. The OneLink alarm will give a special chirping pattern, to let you know once the device has reached end of life. The device is covered by a 5-year limited warranty.
My wife and I are extremely happy with our purchase of the First Alert OneLink Combination Smoke and CO detectors. We no longer have to worry about an alarm going off upstairs, while we are asleep downstairs and therefore unaware of the danger to our children. We sleep much better at night knowing that our entire family is safe. I definitely plan to install more OneLink detectors throughout our home in the near future. Although the setup can be a little tricky, your first time, it gets easier as you program more of them. My only concern is the battery life, since they run on just two AA batteries. The instruction manual suggests that you test the alarms once every week, but to save battery power I test ours once every other week. The alarms do have a talking low battery alert, which is supposed to sound every 5 hours or so when the batteries are in need of replacement. We have had our OneLink detectors installed for about 3 months now and have had no problems with them. I cannot give the OneLink detectors 5 stars, due to their inflated cost, but I think they deserve 4 and ½ stars for their quality and advanced technology. I definitely would not want to be without them in my home and I highly recommend them to everyone.