attic smoke detector

Wanlin Fire - China source manufacturer for Thailand school fire detection. Featured model WL-TH-IOT (Smart Wireless IoT Detector): Smart heat + smoke multi-sensor with LoRaWAN radio; EN54-7 A2 smoke + EN54-5 A1R rate-of-rise, dual algorithm; Local 85 dB sounder + LoRaWAN uplink to gateway and cloud; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full···

self-built house fire alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SMS/Push/Ema···