fire alarm battery backup

CO alarm for cold storage 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/Pu···

smoke alarm price direct from Wanlin Fire Protection — 12-year factory experience, WL-SF600 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Aerosol Dispersion + Adjustable Output + Bluetooth Data Logging + NIST Calibration, Bluetooth + USB Data Export + Test Report Generation + Cloud Sync. IoT cloud platform, A···

smoke detector with CO sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-IoT-GW 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + WiFi + Ethernet + Modbus TCP + MQTT + REST API, 4G LTE Primary + WiFi Backup + Ethernet + Cloud Platform + API + MQTT + SMS + Push + Email. No monthly fees, 4G cell···