A perfect item for protecting your family from the dangers of carbon monoxide, battery-operated alarm that includes a blue backlight digital display feature;
Whenever dangerous levels of CO are present, red LED will flash and the alarm pattern will sound, Loud 85 decibel alarm;
Very convenient to install at home or bedroom - wall mount (screws included);
Low battery signal and "end of life"warning ensures detector is ALWAYS monitoring your safety;
Green and red LED lights that indicate normal operation and alarm status.