Material: plastic SN-9243 Bluetooth Door Lock Module Used to transform old electric door locks into smart locks for ttlock app unlock. The Bluetooth door lock module uses the Tailing Micro-8251 Bluetooth chip as the main control and is compatible with Bluetooth energy-saving (BLE 5.0), which can be passed The electronic key of the application can specify the validity period (end -time time), within the validity period can be unlocked. The app manages door locks (electronic keys) and unlocking. Door locks support firmware updates and software functions can be extended by firmware updates. Color: as shown; 1) Mobile phone Bluetooth unlock; Based on Bluetooth low-power technology, it can be easily unlocked via mobile phone app., Weight: 0.5070632026 pounds, Manufacturer: Faeymth
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