self test smoke alarm

theater smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP300 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Addressable Fire Alarm Control Panel + Loop Controller + 4G LTE Cat.1 + Touchscreen Display + CAN Bus, 4G LTE Cat.1 + IoT Cloud Platform + Addressable Loop (252 devices/loop) + RS485 + Mo···

Voice Assistant Compatible Smoke Detector China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Europe market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com