gas detector for underground mine

Kidde smoke alarm alternative 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 + SM···

corrosion-proof design 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 + Cloud Sync. ···