fire alarm annunciator

Wanlin Fire - China source manufacturer for fire alarm global sourcing. Featured model WL-TH-SD (Photoelectric Smoke Detector): Dual-sensor: photoelectric + 57 deg C thermal backup; EN54-7 Class A3, alarm at 0.13-0.17 dB/m obscuration; Built-in 88 dB at 3 m sounder + NO/NC relay contact; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full lineup: smok···

commissioning test direct from Wanlin Fire Protection — 12-year factory experience, WL-SF500 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: FK-5-1-12 Clean Agent + IoT Control Panel + Cloud Monitoring + Multi-Zone Detection, 4G/Ethernet + Cloud Platform + Smoke/Heat/CO Detector + Solenoid Valve + SMS/Push/Email···

commissioning test direct from Wanlin Fire Protection — 12-year factory experience, WL-SF500 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: FK-5-1-12 Clean Agent + IoT Control Panel + Cloud Monitoring + Multi-Zone Detection, 4G/Ethernet + Cloud Platform + Smoke/Heat/CO Detector + Solenoid Valve + SMS/Push/Email···