SITERWELL Smart Smoke and Carbon Monoxide Detector with Auto-Check, 2.4G WiFi,Combo Conforms to UL 217 & UL 2034 Standards, 2 Pack

GS886W is combination smoke & co wifi alarm.The wifi smoke & co combo wireless detector alarm is powered by two 1.5V AA battery. Tuya wifi Dual Sensor Fire and Carbon Monoxide Alarm also contains a voice message system and SMARTHUSH Control to temporarily silence nuisance alarms. Teach children how to respond to the combination smoke alarm and carbon monoxide alarm and that they should never play with the unit.This combination smoke detector and carbon monoxide detector is a multi-criteria device designed to detect both smoke and carbon monoxidefrom any source of combustion in a residential environment. The National Fire Protection Association(NFPA) and the manufacturer recommendreplacing this alarm ten years from the date code on back of alarm