tt锁应用应用应用程序智能门锁定防水指纹生物识别数字锁，用于滑动门

The Smart Door Lock is totally waterproof and has 6 different ways to unlock the door, including using the app, a card, your fingerprint, a mechanical key, a temporary password, or even Bluetooth. No matter where you are, you can use the remote control to unlock the door if someone needs to get into your room. Plus, you can easily download the TT app or BLE app to make it even more convenient.