wireless door sensor

smoke detector for Airbnb direct from Wanlin Fire Protection — 12-year factory experience, WL-HS103 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + AI Video Analytics Smart Hub, 4G + WiFi + Video Stream + Two-Way Audio + Push + SMS. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100 kits, 20-25 ···

Bulk Wireless Door Sensors direct from Wanlin Fire Protection — 12-year factory experience, Complete Home Security Kit for Seniors (WL-HK600) certified CE/FCC/RoHS. Key specs: 4G/WiFi/Zigbee wireless, 32-device expandable, voice control, AC + 8hr backup. MOQ 200pcs, OEM/ODM available.