4 20mA smoke detector

fire alarm installation guide — Wanlin, 12-year Chinese smart fire protection manufacturer, WL-SFP300 (Smart Addressable Fire Alarm Control Panel) certified UL/FM/CE/EN54/NFPA 72. Addressable FACP + 4G LTE + Touchscreen + 252 Devices/Loop. OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands, 60+ countries.

EN54-2 control panel standard direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP500 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Multi-Sensor Fusion (Smoke + Heat + CO) + AI Machine Learning Algorithm + 4G LTE + WiFi Dual Communication + Edge Computing, 4G LTE Cat.1 + WiFi + AI Cloud Platform + Smart Pus···

Vietnam fire alarm warranty direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP600 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Fixed Temperature + Rate-of-Rise Heat Sensing + LoRaWAN Long Range + Ultra-Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G C···

implantable smoke sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-SM605 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + LoRaWAN Long Range + Maze Sensor + Low Power, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + Battery Optimized. Dual lig···