fire door alarm bolt mount

fire door alarm with vibration for deaf direct from Wanlin Fire Protection — 12-year factory experience, WL-FD100 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, Magnetic Hold-Open + Position Sensor + 4G LTE, 10-year sealed lithium battery (non-replaceable) or AC 230V + 72h backup. MOQ 100 units, 25-30 working days, OEM/ODM···

fire door alarm with firmware update 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 60+···

fire door alarm flush mount direct from Wanlin Fire Protection — 12-year factory experience, WL-FD102 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: Dry Contact + 4G LTE Backup, Electromagnetic Hold-Open + Fire Signal Release, AC 230V/24V powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servin···