firmware OTA update

fire test equipment design output direct from Wanlin Fire Protection — 12-year factory experience, WL-ST400 smoke detector tester certified CE/UL 268A/EN 54/NFPA 72/BS 5839/AS 1851. Key specs: Carbon Fiber Telescoping Pole + Quick-Release Test Cup + Aerosol Dispenser + Lightweight Design, Manual Operation + Quick-Release Coupling + Universal Adapter Set + LE···

smoke detector tester accessories direct from Wanlin Fire Protection — 12-year factory experience, WL-ST800 smoke detector tester certified CE/UL 268A/EN 54/NFPA 72/BS 5839/AS 1851. Key specs: Aerosol Dispersion + WiFi/Bluetooth + Cloud Sync + Automatic Report Generation + QR Code Scanner, WiFi + Bluetooth 5.0 + Cloud Platform + Mobile APP + QR Code Scanning···