Reviews Early Warning Gas Alarms

Kidde Carbon Monoxide Detector AC Plug-In with Battery Backup CO Alarm with Replacement Alert

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

【Timely Alerts】When a location is detected, the radar detector emits an audible sound, quickly providing an accurate alert that you are approaching a speed measuring device so you can confirm your speed on the road and react in time to avoid speeding fines..
【Automatic 360 Degree Detection】Ultra-fast frequency sweep circuit and ultra-long-range detection and early warning for the fastest radar detection. scan any position in time warning, speed measurement without blind spot..
【Full Band Reception】Supports Ka/K/X/Ku/CT bands, full band sensing without missing out. Work invisibly without being detected. Highly accurate and automatically reduces false alarms to ensure you drive safely. No blind spots for speed detection..
【Voice Prompts】Voice prompts allow hands-free operation and provide clear communication. Voice prompts can be programmed to suit your style so that you can focus on the road without distraction..
【Everything You Need】Provided with 1 detector, 1 power cord, 1 anti-slip mat and box with user guide.
1 year limited warranty. We are committed to providing you with high quality security products and will always take responsibility for the products we sell..

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.
Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage.
Easy & quick installation - plugs into any standard AC wall outlet.
Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas.

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.
No chirps to tell you the battery is low.
Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working.
A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way..
The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade.
With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done.
Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low..

2-in-Protection: This combination detector protects against both smoke and carbon monoxide.
Wireless Interconnection: When one alarm sounds, all alarms will go off.
10-year Sealed Battery: This wireless alarm features a 10-year lithium battery and will give a low battery warning.
Test/Silence Button: The single push of a button will either test or silence all units in the system.
Full Home Coverage: Link up to 24 Link+ wireless smoke alarms, CO alarms, and combination alarms for maximum home protection.

...etection state, the automatic circuit will follow the change of the halogen gas concentration in the environment to prevent false alarms..
【R134A Refrigerant Detector With Visual Indicator】 Audible and visual gas leakage indicators and dual battery indicator. Bi-Color indication for batter and voltage。 Leakage warning (when the leaking gas is found, the "di di" sound will become more rapid, the more leakage, the more rapid the "di di" sound. At the same time the indicator light flashes quickly).

2-in-1 Protection: This combination detector protects against both smoke and carbon monoxide.
Wireless Interconnection: When one alarm sounds, all alarms will go off.
10-year Sealed Battery: This wireless alarm features a 10-year lithium battery and will give a low battery warning.
Test/Silence Button: The single push of a button will either test or silence all units in the system.
Full Home Coverage: Link up to 24 Link+ wireless smoke alarms, CO alarms, and combination alarms for maximum home protection.

[Radar detector full frequency reception] - X.K.KA.CT.LASER and other bands, full frequency sensing without missing bands. High accuracy rate, automatically reduce false alarms to ensure your safe driving..
[LED display with voice alert function - All-round warning]- The radar can detect any stable or moving radar speed camera from 250-1000m ahead and respond quickly with voice alert, providing advance warning for your driving and ensuring driving safety..
[360 degree laser radar detection] - The speed radar detector uses the latest upgraded 360 degree laser detection technology, detecting from the front, side and back, with high accuracy and automatically reducing false alarms for your safe driving..
[Easy to use] - Plug the speed radar detector into the power supply and place the included anti-slip mat, select either city road or highway mode, allowing you to be in a densely populated city or on the highway, the ultra fast scanning circuit's laser auto 360 degree detection provides you with ultra long range detection and the best possible warning..
Product contains: 1 radar detector, 1 power cord, 1 non-slip mat and a box with user guide..