Wisualarm 10-year Standalone Carbon Monoxide Alarm CO

· High-performance Figaro electrochemical CO sensor to deliver accurate detection of carbon monoxide leakage and respond quickly · Long standby time, low power consumption, 10-year battery life · Support low battery warning, one-click silence, and self-test · Informative and easy-to-read CO concentration display in screen · Three indicator lights for displaying device status clearly · Excellent production, novel appearance, delicate and compact, simple and convenient installation