wireless

window sensor with 4G 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 worki···

Fire Door Alarm MOQ manufactured by Wanlin Fire Control — EN 14637 / CE / RoHS certified fire door alarm with magnetic contact sensor, 85 dB siren, and reliable door position monitoring. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for commercial, healthcare, hospitality, and industrial fire door safety applications. Contact for bu···

Fire Door Industrial Grade Alarm 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Hold Open Alarm 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Status Monitor 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Closing Reminder Alarm 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Release Device 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Wireless Retainer 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Closing Timer 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 Russia. Contact: wanlinfirecontrol@163.com

Fire Door Frame Detector 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 Russia. Contact: wanlinfirecontrol@163.com