Vitowell Photoelectric Smoke & Carbon Monoxide Alarm, 2-Pack

From The Manufacturer

Combination Smoke Detector and Carbon Monoxide Detector Can 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 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 9V Batteries, You can hear the alarm when the power is low¬don't worry about when to replace the battery. Quick & Easy Installationy: Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.