Wanlin Fire - China source manufacturer for smoke detector accessories. Featured model WL-TH-SD (Photoelectric Smoke Detector): Photoelectric, low-current scattering chamber; EN54-7 Class A2, alarm at 0.11-0.14 dB/m obscuration; Built-in 85 dB at 3 m sounder + NO/NC relay contact; -10 to +50 deg C, 0-93% RH (tropical humidity rated). Full lineup: smoke and h···
international fire safety exhibition 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 Val···