First PRC710 (r) 10-year Sealed-battery Photoelectric Smoke Carbon Monoxide Alarm

? Combination photoelectric smoke & electrochemical carbon monoxide sensors detect deadly smoke, fire & CO hazards;? Patented smoke entry system allows for a direct path to the photoelectric smoke sensor;? Nuisance-free photoelectric technology reduces false alarms that result from cooking & shower steam;? New, thin design adds an element of style ;? Meets UL217 & UL2034 standards & complies with legislative requirements for 10-year battery operated smoke alarms;? Powered by sealed, 10-year lithium batteries;