Siterlink Hardwired Smoke Detector and Carbon Monoxide Detector 3 Pack — Open-Box, 23% Off

HARDWIRED&10-YEAR SEALED BATTERY：Say goodbye to annual battery hassles! saves you $50–100 in replacement costs over its lifespan. No more climbing ladders or forgetting to replace expired batteries.

PRECISION SENSING TECHNOLOGY:Photoelectric dual-wave detection technology has the ability to differentiate between cooking smoke,Designed to reduce cooking-related false alarms,

BILINGUAL VOICE ALARM(EN/FR): Clear voice warnings announce ‘Fire!’ for smoke and ‘"'Warning! Carbon Monoxide’ Ideal for bilingual families, protecting everyone from children to seniors with instant emergency notification.

2-IN-1 SMOKE & CO ALARM:One Ceiling/Wall Mount Stops Both Flames & Invisible Death: Never Miss a Threat with Dual-Sensing Tech That Outsmarts 83% of Single-Function Alarms.

HARDWIRED INTERCONNECTED SYSTEM : when one alarm goes off, all the alarms will go off at the same time, no matter in the room, kitchen, living room, basement, garage etc.will receive the alarm and quickly get out.Interconnect up to 18 alarms.

HARDWIRED&10-YEAR SEALED BATTERY：Say goodbye to annual battery hassles! saves you $50–100 in replacement costs over its lifespan. No more climbing ladders or forgetting to replace expired batteries.