Smoke Detector and Carbon Monoxide Detector Co2 Detector Battery Powered with Test/Reset Button 4 Pack

2-IN-1 ACCURATE, RELIABLE & HIGHLY SENSITIVE ALARM: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases.
SOUND AND LIGHT ALARM: When a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound—Loud 85 decibel carbon monoxide alarm with red light flash to protect your family’s life and property safety from CO detector
APPLICATION CO DETECTOR PLACE: This carbon monoxide detector suitable for all place where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time, your parking garage.
ENERGY SAVING: Operated by 3 AAA Batteries, You can hear the alarm when the power is low, don’t worry about when to replace the battery.
QUICK EASY INSTALLATION: Requires no rewiring, easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.