4-Way Secure Access: Unlock with fingerprint, PIN, RFID card, or key, ensuring reliable entry options for any situation. Advanced Alarm System: Stay alert with low battery, fire detection, lock engage, and intrusion alarms, offering added peace of mind for your home or office. Keyless Convenience: Access your door without physical keys; simply use the keypad with a personalized PIN code for a smooth, key-free entry experience. Built for 40-90 mm Doors: Suitable for door thickness of 40-90 mm with a 66.5 mm backset and a sturdy 3-bolt lock body for increased security. Hassle-Free Installation: Comes with an easy-to-follow installation guide and free installation support, making setup straightforward, even for first-time users.