battery backup

Home Security with Nursery Sensor manufactured by Wanlin Fire Control — AI-powered home security bundle with smoke detector, CO alarm, gas detector, water leak sensor, motion sensor, door/window sensor, video doorbell, and panic button. CE/EN14604/EN50291/FCC certified. Zigbee, Z-Wave, WiFi 6, 4G LTE. DIY installation, no monthly fees, app control. Factory-d···

battery powered wireless CO alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-CO807 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Electrochemical CO Sensor (Compact), 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving···