Siterwell GS886-H02 Standalone Smoke & CO Detector with 10-Year Battery

Detect both Smoke and Carbon Monoxide: Equipped with both photoelectric and electrochemical sensors, provides early warnings for potential fire hazards and high carbon monoxide levels Smart Enough to differentiate Vapor and Smoke: Dual-wave detection technology, effectively reducing false alarms caused by cooking or boiling 10-Year Lithium Battery: keep your family safe for decade steadily without the hazzle of changing battery frequently English and French Voice Alert: Provides clear, immediate verbal alerts in both English and French, ensuring every family member react swiftly Super User-Friendly: With a soft, gentle nightlight feature and conveniently covers any old marks or blemishes on the wall