door open alarm

smart home fire safety system direct from Wanlin Fire Protection — 12-year factory experience, WL-HS101 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + Zigbee Multi-Protocol Smart Hub, 4G + WiFi + Zigbee + SMS + Push + Voice Alert. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100 kits, 20-25 w···

Fire Door Indicator Light China manufacturer. UL 60930 and EN 16061 certified fire door alarm with real-time position monitoring, 4G wireless alert, fire door status tracking, OEM/ODM, wholesale, global shipping to South Africa. Contact: wanlinfirecontrol@163.com