wireless window sensor

home security system for apartment direct from Wanlin Fire Protection — 12-year factory experience, WL-HS106 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + Smart Scene Automation, 4G + WiFi + SMS + Push + Phone Call + Chime. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100 kits, 20-25 working ···

video doorbell with push notifications direct from Wanlin Fire Protection — 12-year factory experience, WL-HS108 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + Zigbee + Z-Wave + AI Analytics Multi-Protocol Hub, 4G + WiFi + Zigbee + Z-Wave + Video + Two-Way Audio + SMS + Push + Phone + Voice. No monthly fees, 4G cellular backup, DIY insta···