long life battery smoke detector

fire alarm maintenance tool -- Wanlin Fire Protection, 12-year Chinese smart fire protection product manufacturer, WL-SFP500 (AI Multi-Sensor Fire Detector 4G WiFi) certified EN54/EN14604/EN50291/CE. AI Multi-Sensor (Smoke + Heat + CO) + 4G LTE + WiFi + NPU Edge Computing + False Alarm Red. MOQ from 100 units, OEM/ODM from 500 units, 15-20 day delivery, 60+ ···

correctional facility smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke +···

Manual Fire Alarm Call Point China manufacturer. Smart fire safety with multi-sensor fusion, AI false alarm elimination, 4G+WiFi dual communication, IoT cloud platform. UL217 & NFPA72 certified. OEM/ODM, wholesale, global shipping to Czech Republic. Contact: wanlinfirecontrol@163.com