Wireless Visual Alarm Device

wireless mobile app fire alarm notification Wireless Sounder Strobe with Mains Supply and Battery Backup export OEM ODM wholesale

NB-IoT Fire Alarm Horn 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