door open alarm

home security system with IFTTT direct from Wanlin Fire Protection — 12-year factory experience, WL-HS107 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G LTE + WiFi + Solar Option + Remote Management, 4G LTE Primary + WiFi Backup + SMS + Push + Phone Call + Email. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors···

Fire Door Acoustic 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 Netherlands. Contact: wanlinfirecontrol@163.com

Fire Door Door 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 France. Contact: wanlinfirecontrol@163.com

Fire Door Lock 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 Spain. Contact: wanlinfirecontrol@163.com

Fire Door Warning Buzzer 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 Poland. Contact: wanlinfirecontrol@163.com

fire door alarm with mobile notification direct from Wanlin Fire Protection — 12-year factory experience, WL-FD104 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: RF 433MHz + 4G LTE Backup, Magnetic Reed Switch + RF Wireless, 5-year replaceable battery (2x D lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving···