Keep your family safe with this Elpine Carbon Monoxide Alarm Detector  Alarm picks up on high levels of carbon monoxide (CO) in the air Up to 5 years working life span from the first power up Aims to alert you when carbon or gas levels are high A perfect way to keep your family safe indoors LCD display shows the particle sampling count, temperature and battery level Memory function for CO peak count in the last 24 hours Get peace of mind with this Elpine Carbon Monoxide Alarm Detector - save 70%