4G alarm bell

4G Alarm Bell China manufacturer. EN 54-3 certified sounder strobe with 120dB siren and high-intensity LED strobe. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to South Africa. Contact: wanlinfirecontrol@163.com

NB-IoT alarm with gateway direct from Wanlin Fire Protection — 12-year factory experience, WL-SS102 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: Addressable Loop + 4G LTE Backup, Addressable Loop + Digital Protocol Communication, Loop powered + 24h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···