auxiliary lock for sliding doors

Hot Sale Black Metal Body Waterproof Fingerprint Biometric Digital Lock For Sliding Door

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.

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