True Keyless Entry - Lock and unlock your door in a single motion Fingerprints as you grip the lock. A lightning speed 0.25 seconds is all that is required to open. Much faster than any key. Inbuilt Door Bell. Unlock using Fingerprint, Passcode, Bluetooth Mobile APP, RFID Access card or Emergency keys. Two-Layer Authentication: Add Double Security that requires a combination of 2 access methods to unlock your door. Stainless steel bolts (5) to secure your main door. Lock comes with Wrong Password Sound after of 5 unsuccessful attempts.