SN-9243 Bluetooth door lock module uses Tailing Micro-8251 Bluetooth chip as the main control, and supports low power Bluetooth (BLE 5.0), which can be passed The App manages door locks (electronic keys) and unlocking. Door locks support firmware upgrades, and the software functions can be extended through firmware upgrades. The App electronic key can specify the validity period (start time-end time), within the validity period can be unlocked. 1) Bluetooth unlocking of the mobile phone, Based on the low-power Bluetooth technology, it can be easily unlocked through the mobile phone APP. 2) Remote distribution of electronic keys The electronic key can be sent to the tenant at any time, and the validity period of each electronic key can be flexibly set, or to freeze / thaw the electronic key. 3) Unlock record and monitoring APP unlocking keeps records. After any mobile phone APP operates the door lock, connects and synchronize the information, all unlocking records can be seen on the administrator APP. 4)Remote Control Support Adding TTLOCK remote control R1 and gateway G2 (after connecting to the G2 gateway, it can unlock remotely from anywhere via WIFI and support third- intelligent platforms such as and Assistant smart voice speakers for remote unlocking control, etc.) Functions 1.Restore the factory settings 2.Add a mobile phone administrator 3.Delete the mobile phone administrator 4.Unlock 5.Closed lock 6.The App key 7.View the ulocking records 8.Low-power prompt 9.Firmware upgrade Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour: As Shown Material: PC Package Contents: 1 * Electronic Lock Module Only the above package content, other products are not included. Note: Light reflection and