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 |
Material | FIRST ALERT SCO501CN-3ST ONELINK Battery-Operated Combination Smoke & Carbon Monoxide Alarm with |
Manufacturer | First Alert |
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
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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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 |
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
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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 |
4.6 out of 5 stars |
Best Sellers Rank | #7,983 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #22 in Smoke & Carbon Monoxide Alarms |
Date First Available | December 7, 2003 |
Warranty & Support
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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.
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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 | dummy | |
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Price | $47.99$47.99 | $64.99$64.99 | $44.99$44.99 | -9% $43.50$43.50 Typical: $47.99 | $59.99$59.99 | $44.94$44.94 |
Delivery | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it May 15 - 17 | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 |
Customer Ratings | ||||||
Sold By | Amazon.com | Amazon.com | Amazon.com | Direct Suncore llc | Amazon.com | Amazon.com |
power source | Battery Powered | Corded Electric | Battery Powered | Battery Powered | Battery Powered | Battery Powered |
sensor type | electrochemical,photoelectric | Ionization | Photoelectric | Photoelectric | Photoelectric | Photoelectric, Electrochemical |
style | SCO501CN-3ST | Smoke, CO | Smoke, CO | Smoke, CO | Smoke, CO | 6th Edition Alarm |
alarm | Audible | Smoke, CO | Smoke, CO | Combination Alarm | Combination Alarm | Combination Smoke and Carbon Monoxide Alarm |
weight | 0.2 pounds | 0.56 pounds | 0.52 pounds | 0.41 pounds | 0.41 pounds | 1 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 performance of the gas smoke fire alarm. They say it works well, and the original detectors worked great for 9 years. Customers are also happy with the detection and ease of installation. That said, opinions are mixed on battery life, value, volume, quality, and connectivity.
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 a breeze to program. They also appreciate that the storage capabilities make installation easy. Customers also mention that mounting the devices is as easy as installing any other basic device. They appreciate the loud voice and clear instructions.
"...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
"...And the programming is easy. This adds an extra layer of security and comfort for both my sister and I." Read more
"...Setting them up was pretty straight-forward, except the instructions could have been laid out a bit better...." 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
Customers like the performance of the gas smoke fire alarm. They mention that it appears to work well, the original detectors worked great for 9 years, and that it tested flawlessly. Some say that the detectors communicated with no problems and that the basement feature is very useful.
"...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
"...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
"...are other ones there that are cheaper this one was fantastic it worked beautifully" Read more
Customers are mixed about the connectivity of the gas smoke fire alarm. Some mention that the interconnect in theory was great, while others say that it seems to lose connectivity. They also say that the wireless interconnect does not reach their hallway.
"...It is a 2-in-1 device, giving your home protection from both smoke and carbon monoxide...." Read more
"...These are very loud and they communicate with each other...." 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 an excellent upgrade to plain old smoke detectors, and it has photoelectric smoke detection. Some say the setup is quick and easy, and the detector is easy to find where the smoke or CO2 is located.
"...I think that the First Alert SCO500B is a good smoke/CO alarm and I would recommend this model...." Read more
"...Great product covers both smoke and carbon monoxide while using a voice alarm." Read more
"...4. Photoelectric smoke detection, instead of ionization type. (Prefer a unit with both types but found none)*..." Read more
"...To top it off it also says the location of the smoke or carbon monoxide. I haven't had it go off for anything yet but testing it...." Read more
Customers are mixed about the quality of the gas smoke fire alarm. Some mention that the electric technology helps prevent false alarms like those caused by cooking, and the interconnected alarms provide immediate notification from anywhere in the house. However, others say that they're petrified of them due to frequent false alarm.
"...You will have to purchase anchors to mount these. The ones included are so flimsy that they buckle under the stress of insertion into the hole you..." Read more
"...4 in August of '23, and now, more than 8 months later, have had no false alarms yet...." Read more
"...I thought that was odd. Within a few seconds it triggered complaining about smoke (not CO)...." Read more
"...However, when I tested the basement one, it said it had an error...." Read more
Customers have mixed opinions about the volume of the gas smoke fire alarm. Some like the voice instead of crazy beeps, while others say that the voice is super loud.
"...And, they are loud!..." Read more
"...So when one goes off, they all go off in the house. They are also seriously loud...." Read more
"...The OneLink produces a loud, 85db alarm, plus a talking alarm for added safety...." Read more
"...This was about the stated lifespan.These are very loud and they communicate with each other...." Read more
Customers are mixed about the value of the gas smoke fire alarm. Some mention that it's a good unit at a reasonable price, and the One-Link system works. They say it saves them a ton of money and is very well worth it. However, others say that it is expensive and a colossal waste of 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 alarms do have a talking low battery alert, which is supposed to sound every 5. However, some customers also mention that it doesn't take wall power and that the battery is terrible.
"...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
"...Batteries are in the side for easy access" 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
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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.
So hopefully the new SCO500 works as well as the 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). Hopefully Amazon will update the listing for this at some point. I was told in November by their customer service that they would however still nothing yet.
Reviewed in the United States on December 29, 2023
So hopefully the new SCO500 works as well as the 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). Hopefully Amazon will update the listing for this at some point. I was told in November by their customer service that they would however still nothing yet.
I called in the fire department, and they brought in their own calibrated meter. After clearing the carbon monoxide and talking to us before leaving the scene, they were impressed with these detectors and had to know what they were. It turns out the voice-activated reading from these detectors was only 1ppm over the reading of their calibrated handheld. For something as mass-produced and inexpensive as these are, that's HIGHLY impressive!
Also, everything they tell you about a carbon monoxide leak is true. Had these detectors not went off, there would have been no way we could've known there was an issue. I ended up buying these on a whim, and they saved my family from being affected by carbon monoxide that, according to the fire department, was well over 10 times the lethal limit.
If there's a combination CO/smoke detector that gets my endorsement, it's this one. It works perfectly. Buy it and don't think twice.