Last Updated: February 22, 2019 (Refresh Now)
First Alert Smoke Detector and Carbon Monoxide Detector Alarm Battery Operated SCO5CN
Last Updated: February 22, 2019 (Refresh Now)
8.6
SCORE
/10
Total Reviews
997
Old Reviews
32
Unverified
34
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Review Analysis - 931 recent, verified reviews
Detailed Mode
Setup
154install, easy, works, installation, test
+95%
-5%
" ... Easy to install . ... "
" ... Works perfect and easy to install. ... "
" ... Easy to install. ... "
" ... Easy to install ... "
" ... Easy to install. ... "
" ... Arrived on time appeared to be as listed easy install. ... "
" ... I’m thrilled when something doesn’t take time to install. ... "
" ... Easy to install ... "
Ease of Use
123easy, works, install, test, super
+98%
-2%
" ... Easy to install ... "
" ... Easy to install ... "
" ... Easy to install ... "
" ... Super easy to install. ... "
" ... Easy to set up exactly as described a lot cheaper than Lowe's or Home Depot ... "
" ... Easy to set up, works with testing anyway. ... "
" ... easy to install, works fine, test them once a week ... "
" ... Works perfect and easy to install. ... "
Product Reliability
115started, chirping, beeping, detector, batteries
+43%
-57%
" ... Started chirping for new batteries just over a month from purchase . ... People depend on these products for safety, yet Amazon promotes defective, fraudulent products all over their website. ... "
" ... Uses AA batteries and had to replace after less than 5 months. ... "
" ... I purchased 3 of these and less than a month later they started chirping in the middle of night. ... "
" ... lasted less than one week. ... three first alert device failures in two months is not a good look for them. ... "
" ... After a few months this stared beeping like it was low on battery. ... That lasted maybe 2 months. ... "
" ... Broke after a month. ... "
" ... Started chirping more rapidly and I took it down after 4 months. ... "
" ... Broken right out of the box ... "
Clock
72smoke, alarms, false alarms, co, carbon monoxide
+56%
-44%
" ... No false alarms. ... "
" ... I really like that it is a carbon monoxide alarm too. ... "
" ... The combination alarm was exactly what was needed. ... "
" ... Perfect replacement for older smoke alarm. ... "
" ... Need a Alarm, the most complete one you can ever buy at this price ... "
" ... the new alarm seems to be working fine. ... "
" ... I like the security of this product, we haven't had an alarm yet but their presence in my home is reassuring! ... "
" ... Replaced an older alarm that was just like it. ... "
Battery Life
65aa, duracell, smoke, months, chirping
+65%
-35%
" ... Bought this to replace a previous First Alert Battery Operated combined CO2 and Smoke Detector unit in our hallway that finally came to the end of it's "life". ... "
" ... We really like the size of this detector, the loudness, the ease of changing batteries, the fact that it uses AA batteries instead of 9 volt, because we always have AA batteries. ... "
" ... An additional bonus is that they run on AA batteries. ... My husband was surprised as he expected them to require 9v batteries. ... "
" ... Easy to instal and even came with the needed batteries. ... "
" ... Easy to install and came with batteries! ... "
" ... I thought it was just about making sure the batteries worked twice/year. ... "
" ... Easy to mount & you can mount anywhere due to it being a battery operated version! ... "
" ... Installed easily and even came with batteries. ... "
Price
54money, waste of money, two, reasonable, value
+87%
-13%
" ... Double your protection for an inexpensive cost!. ... "
" ... Great price on these and the perfect detector combination. ... "
" ... Purchased two units at a very good price. ... "
" ... Good reviews and good price. ... "
" ... Can't beat the price for the quality. ... "
" ... This is a great value ... "
" ... Could you beat the price? ... "
" ... great value & product ... "
Capacity
44kitchen, smoke, detectors, basement, hallway
+82%
-18%
" ... My son lives in an over-sized house that was converted into a few individual apartments, and in early December of 2018 the furnace began to vent CO into the building. ... "
" ... Got for upstairs studio apartment so far so good liked that it was all in one ☝️ ... "
" ... Once that happened, I started using TWO different smoke/CO detectors in my apartment. ... "
" ... I bought one of these for the inside of the house and another for the garage. ... "
" ... So I bought this three-pack to replace the upstairs, main level, and basement detectors. ... "
" ... An easy to install and inexpensive way to protect your home a family. ... "
" ... I feel my family is much safer now. ... Now I have carbon monoxide detectors in every room. ... "
" ... I have one detector in each bedroom and one in the kitchen. ... "
Marketplace
34advertised, described, shipping, works, exactly
+79%
-21%
" ... So easy to find on Amazon! ... "
" ... Shipping was behind a day. ... "
" ... Replacement for what I had. ... "
" ... Good deal when on sale ... "
" ... Is as advertised. ... "
" ... Got it as a replacement for the same I had. ... "
" ... works as advertised ... "
" ... Worked as described ... "
Returns
27return, replaced, replace, return window, days
+44%
-56%
" ... Too late to return when I realized it doesn’t work. ... "
" ... Unfortunately i can't find a way to return it on Amazon. ... "
" ... I will be calling the manufacturer on Monday to see about a replacement. ... "
" ... Luckily I am still within return timeframe. ... "
" ... I checked with Amazon and found out that my "return window" expired 30 days after purchase. ... "
" ... This broke three days after the return window expired. ... "
" ... Luckily this happened just a few days before the last day to return. ... "
" ... If I could return it, I would! ... "
Delivery
25date, shipping, quickly, expiration, delivered
+92%
-8%
" ... The products arrived in a timely matter and were in perfect condition. ... "
" ... The product was exactly as described, and arrived quickly. ... "
" ... Prompt shipping, good price. ... "
" ... It arrived nicely packed in a plastic cover inside an amazon box. ... "
" ... product came as described ... "
" ... Shipping was behind a day. ... "
" ... vendor shipped quickly. ... "
" ... I love the style, price, and fast delivery. ... "
Build Quality
19old, plate, mounting, holes, feel
+84%
-16%
" ... It is made out of plastic, but seemly high quality and durable plastic. ... "
" ... Love the design where you can simply unscrew the detector from the bracket, replace the battery and easily hang it again. ... "
" ... Nothing special, but sturdy, functional, and easy to instal. ... "
" ... It arrived nicely packed in a plastic cover inside an amazon box. ... "
" ... Very well made ... "
" ... they feel more secure. ... "
" ... I feel secure knowing I have these detectors in my house. ... "
" ... This allowed me to consolidate, and the mounting plate has multiple holes, so it was easy to match to the existing screws. ... "
Fit
15fit, mounting, holes, ceiling, base
+87%
-13%
" ... This one fits on the same base-bracket that was already installed on the ceiling, so that's great. ... "
" ... Fit in the same mounting bracket and came with a new fresh battery. ... "
" ... Popped it out of the box and put it right where the old one was. ... "
" ... It fit on the only smoke detector mounting ring. ... "
" ... Was able to use the old base already mounted. ... "
" ... Replaced my old FIRST ALERT with this unit, it fit on the old mounting plate. ... "
" ... Fits perfectly in the old First Alert base. ... "
" ... This one does what I need and fits over the existing hole in the ceiling. ... "
Controls
14silence, alarm, test, test button, smoke
+36%
-64%
" ... The issue I had was the alarm wouldn’t sound when I pressed the test button. ... "
" ... Silence button would not do so. ... "
" ... held down button . ... "
" ... The directions also state that yes, the test button needs to be pushed but it has to be held down a few seconds which were NOT listed in the directions. ... "
" ... silence button doesnt work ... "
" ... Straight out of the packaging the test button is not sounding an alarm. ... "
" ... I pressed and held the silence button, and it kept on blaring. ... "
" ... This worked for over a year and then the dreaded three alarm ring happened. ... "
Volume
13hear, wake, enough, beep beep beep, alarm
+31%
-69%
" ... Constant 3 chirps when I turn on the lights or open the blinds in my room. ... "
" ... The low battery indicator is that it will simply set off it's siren at maximum volume . ... "
" ... Beep beep beep . ... Beep beep beep . ... Beep beep beep . ... "
" ... It’s very loud, which would be good in an emergency, but I don’t appreciated being woken up in the middle of the night for no reason. ... "
" ... Holy cow it's loud! ... "
Device Stand
12mounting, ceiling, unit, screws, mounted
+92%
-8%
" ... No need to have extra things hanging on the wall and ceiling if you can combine 2 into 1. ... "
" ... I don't want to go through the rigmarole of installing a new mount. ... "
" ... mounted to existing elect box in the ceiling ... "
" ... Was able to use the old base already mounted. ... "
" ... Less on the wall is better. ... "
" ... Mounted, changed, finito! ... "
" ... Is taller/deeper than I expected (more than 1" with mounting bracket). ... "
" ... Come with all the mounting accessories! ... "
Product As Described
12described, works, exactly, stated, quick delivery
+100%
" ... Is as advertised. ... "
" ... Performs exactly as advertised! ... "
" ... Works as described. ... "
" ... Product as described. ... "
" ... Quick delivery and exactly as advertised. ... "
" ... Exactly as advertised. ... "
" ... works as advertised ... "
" ... product came as described ... "
Design
10design, work, good, well, look
+80%
-20%
" ... Above all I like the strong looking design think it will work fine. ... "
" ... Product looks of good quality ... "
" ... Looks nice too! ... "
" ... It looks great hanging up. ... "
" ... But looks good ... "
" ... Looks very well built and seems to work well. ... "
Comfort
10old, safer, safe, makes, like
+100%
" ... The device feels very solid. ... "
" ... The last one I had I needed a ladder to reach the ceiling (since I’m only five foot) so I could get my hand on the turn-off button on the side of the alarm. ... "
" ... It screwed right into the old, base, like the old Schick, push pull, click click, and DONE! ... "
" ... Works great, makes me feel safer. ... "
" ... makes me feel more safe. ... "
" ... they feel more secure. ... "
" ... I feel much safer ... "
" ... Feel safer now ... "
Door
8shower, goes, door open, door, opened
+38%
-63%
" ... Goes off due to shower steam when it’s 10 feet away from bathroom door. ... "
" ... I put it at the end of my hallway, which is about 5 feet from my bathroom door. ... I am disappointed that it goes off if I leave my door open while using the shower. ... "
" ... Every shower, every time, once they opened the door and didn't close it behind them. ... "
Call quality
8alarm, hear, call, loud, location
+63%
-38%
" ... The voice and location are the bonus features. ... "
" ... the alert voice level is pretty high and I can hear from two floors above. ... "
" ... Its voice and location features are a real plus. ... "
" ... I LIKE IT SO FAR, LOUD ENOUGH TO WAKE YOU UP AND THE VOICE IS CLEAR. ... "
" ... I'll call first alert and demand a free replacement. ... "
Sound Quality
7loud, test, sounds, sound, noise
+43%
-57%
" ... The lights would flash in the sequence the directions said but there was only a ticking noise where the audible alarm was expected. ... "
" ... I have had this for a little over a month now and the fire alarm started to sound non stop. ... "
Other
7smoke, monoxide, carbon, would, smoke detector
+71%
-29%
" ... Good price for the top rated combo sensor ... "
" ... I really like that this smoke detector includes Carbon Monoxide (CO) detection with it. ... "
" ... I have used First Alert sensors for years and they always provide great service and I have not ever had any problems with First Alert products. ... "
" ... I would only use a Photolelectric or Dual sensor , “Photo / ION” . ... This is regardless of the Carbon monoxide sensor capabilities. ... "
" ... I like the fact that it is both a smoke detector and carbon monoxide detector. ... "
Food Items
7went, cook, pan, oven, kitchen
+71%
-29%
" ... Finally a detector that doesn’t go off when I cook eggs ... "
" ... But I did test it with my frying pan after cooking bacon on the stove and it took a (what I'd call) normal amount of smoke and then the alarm went off. ... "
" ... It’s very sensitive (If you burn a toast it may beep). ... "
" ... Hasn't gone off when cooking as advertised! ... "
" ... My oven sets it off on a regular basis. ... "
Notifications
6beep beep beep, first, alert, problem, get
+50%
-50%
" ... Beep beep beep . ... Beep beep beep . ... Beep beep beep . ... "
" ... Many false alarms. ... "
" ... I have other alarms that don't do this. ... "
Defective Delivery
6started, one, guess, chirps, chirping
-100%
" ... Yesterday (Nov 21 2018) it started doing 3 chirps which means it's defective. ... "
" ... Broken right out of the box ... "
" ... Product had been previously opened. ... "
" ... I guess I got a "dud" one. ... "
As Gift
5christmas, son, one
+100%
" ... Gave to good friends as Christmas gifts ... "
" ... My daughter and son in law were happy with this as a Christmas present. ... "
" ... The first was given as a gift and appears to be indicating perfectly. ... "
" ... This was a gift and my friend really appreciated it. ... "
" ... This was a gift to my Daughter's new house - All I can say is whatever the cost would be worth it one time if used - ... "
Sleep Tracking
5night, sleeping, room, one, knowing
+60%
-40%
" ... I will sleep better at night knowing these detectors are working great so far and that our family is safe. ... "
" ... Every room in your home should have one for peace of mind when you sleep. ... "
Overall performance
5well
+100%
" ... It does the job. ... "
" ... Doing it's job. ... "
" ... Does the job. ... "
" ... does the Job ... "
" ... excellent works well ... "
Features
5voice, unit, power, offer, location
+100%
" ... They offer many features that other similar models from competitors, do not offer. ... "
" ... The voice and location are the bonus features. ... "
" ... The carbon monoxide detector is a great feature. ... "
" ... Works great so far using the test mode. ... "
" ... I looked at the alarm, and the CO LED was flashing. ... "
Device Compatibility
5hard, device, one, easy
+60%
-40%
" ... So handy to have two safety devices in one ... "
" ... Great to have both functions in one device . ... "
Network
4replace, bought, detector
+75%
-25%
" ... This device did not work with our house as our current smoke detector was wired to the house and security system. ... "
" ... A must for every house ... "
" ... Bought a couple of these to replace old ones and expand coverage throughout the house. ... "
Water Resistance
4steam, thing, taking, one, goes
+50%
-50%
" ... Goes off after a steamy shower and it was startling . ... "
" ... I am disappointed that it goes off if I leave my door open while using the shower. ... "
For Travel
3trailer, safe, feel, detector, would
+100%
" ... when we travel we stay in mostly rentals and it made us feel more safe with this detector. ... We would travel with the batteries out and as soon as we got to our location would put the batteries in and leave it near the bedroom door. ... Highly recommend for a travel detector. ... "
" ... With a new battery in I feel safe at night camping in my RV on weekends. ... "
For Kids
3months, christmas, 3
+100%
" ... My daughter and son in law were happy with this as a Christmas present. ... "
" ... I am 7 months pregnant and have a sweet 3 year old son and an incredible husband. ... "
" ... My son liked them ... "
Speed
3installed
+100%
" ... I had it up in 10 seconds. ... "
" ... Installed in minutes. ... "
" ... It can come on once every 10 mins. ... "
Baking
3gone, went
+67%
-33%
" ... I have natural gas for heating my house and for cooking. ... "
" ... Hasn't gone off when cooking as advertised! ... "
Cleaning
3changed, batteries, installation, clean
+67%
-33%
" ... Easy installation too, and a really clean look. ... "
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Specifications
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