replaceable battery

• 4G alarm with dustproof, NB-IoT Sounder Strobe, WL-SS103, Wa··· 4G alarm with dustproo··· 2026-07-13
• 4G alarm with Bluetooth, Portable Sounder Strobe, WL-SS107, ··· 4G alarm with Bluetoot··· 2026-07-13
• smart heat detector with alarm, NB-IoT Heat Detector, WL-HD9··· smart heat detector wi··· 2026-07-10
• temperature sensor for bridge, NB-IoT Heat Detector, WL-HD90··· temperature sensor for··· 2026-07-10
• temperature sensor for retail, Portable Heat Detector, WL-HD··· temperature sensor for··· 2026-07-10
• Wanlin Fire Protection Brings Bluetooth 5.0 + 4G LTE (option··· Wanlin Fire Protection··· 2026-07-09