fire alarm certification documentation

multi sensor fire detector — Wanlin, 12-year Chinese smart fire protection manufacturer, WL-SFP900 (Smart Fire Safety All-in-One DIY Kit) certified UL/FM/CE/EN54/NFPA 72. Multi-Sensor + 4G+WiFi + Gateway+6 Detectors+Sounder + Cloud. OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands, 60+ countries.