Fire Door Hall Effect Sensor

Fire Door IoT Sensor 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 Netherlands. Contact: wanlinfirecontrol@163.com

Fire Door Status Indicator 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 UK. Contact: wanlinfirecontrol@163.com