4G alarm with pre recorded voice

NB-IoT Alarm with Customizable Voice 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 USA. Contact: wanlinfirecontrol@163.com

wireless sounder strobe with alarm stop direct from Wanlin Fire Protection — 12-year factory experience, WL-SS105 fully certified EN 54-3/UL 464/UL 1971/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, RF Mesh Networking + Synchronized Strobe, 3-year replaceable lithium battery (4x AA). MOQ 100 units, 25-30 working days, OEM/ODM custom branding ···