Unlock with speed and security using professional biometric technology, featuring 360-degree recognition in just 0.5 seconds. The self-learning algorithm continuously improves fingerprint recognition with each use, becoming more sensitive over time. Your finger is the key! Simply touch to unlock, eliminating the need for mechanical keys. Manage access for multiple users, with the ability to store up to 20 fingerprints. Enjoy low energy consumption and an external USB emergency power socket, ensuring you're never locked out. A low-voltage alarm alerts you when the battery is running low with a flashing red indicator. The fingerprint recognition area features a three-color sensor light for real-time status feedback. Includes: 1 x Fingerprint Panel, 1 x Lock Body, 1 x Lock Catch, 1 x Installation Accessories Pack, 1 x Instruction Manual Experience the convenience and security of fingerprint unlocking today!