automatic self-check smoke alarm manufactured by Wanlin Fire Control - professional 4G standalone smoke detector with dual optical path photoelectric sensing. 4G Cat.1 connectivity, 3-year battery, EN14604/CCCF certified, 95dB+ alarm, 60sqm+ coverage. CE/RoHS/FCC compliance. Factory-direct pricing, global shipping, complete export documentation. OEM/ODM avai···
portable smoke detector tester direct from Wanlin Fire Protection — 12-year factory experience, WL-SF800 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Photoelectric Smoke + Electrochemical CO + Thermistor Heat + AI Multi-Sensor Fusion, Addressable Loop + 4G Option + Drift Compensation + Self-Diagnostic + Clou···
portable smoke detector tester direct from Wanlin Fire Protection — 12-year factory experience, WL-SF800 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Photoelectric Smoke + Electrochemical CO + Thermistor Heat + AI Multi-Sensor Fusion, Addressable Loop + 4G Option + Drift Compensation + Self-Diagnostic + Clou···