intelligent fire detector — Wanlin, 12-year Chinese smart fire protection manufacturer, WL-SFP100 (Smart Photoelectric Smoke Detector) certified UL/FM/CE/EN54/NFPA 72. Dual-Wavelength Photoelectric + 4G LTE Cat.1 + IoT Cloud. OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands, 60+ countries.
CO alarm China manufacturer 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/···