General description The combined smoke and carbon monoxide detector provides double protection against CO and smoke. It features long-life sensors and a low battery warning. The three colors help distinguish different alarm situations: when it detects smoke, the blue light flashes, while CO flashes red. If the red light flashes, the green light indicates that the device is working normally. It is suitable for all areas that may produce carbon monoxide and smoke, such as the kitchen, bedroom, and bathroom. Technical specifications Smoke and carbon monoxide detection 24/7 protection Complies with EN 50291-1:2018 LCD digital display to show CO concentration and battery status 85dB acoustic alarm Test button for silent mode Easy installation with 2*AA batteries (not included) Installation The device is easy to install and maintain. It can be mounted on any wall or ceiling with the screws provided. It is recommended to install it at a distance of 30cm from the ceiling.