NB IoT alarm with weatherproof

NB-IoT Alarm with Dustproof 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 Brazil. Contact: wanlinfirecontrol@163.com

NB-IoT alarm with long battery life direct from Wanlin Fire Protection — 12-year factory experience, WL-SS100 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, High-Intensity LED Strobe + Piezoelectric Sounder, AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servin···