fire alarm system upgrade

smoke detector tester for beam 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···

Gas Detector with Zigbee China manufacturer. 4G smart fire safety system with CE UL EN54 RoHS FCC. IoT fire detection, cloud platform, wireless interconnect. OEM/ODM, wholesale, global shipping to Malaysia. Contact: wanlinfirecontrol@163.com