Lecoolife GS811 Combination Smoke and Carbon Monoxide Detector (3Pack)

KEY FEATURES: Combined Smoke and Gas Detector: Optimized with electrochemical carbon monoxide sensing technology and photoelectric smoke sensors to detect larger smoke particles produced by smoke fires; helping to reduce the number of false alarms. 10-Year Battery Powered: This combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power via a built-in lithium battery; continues to monitor smoke and gas levels even in the event of a power failure;...