[MULTIPLE UNLOCKING MODES] Enjoy three convenient unlocking options fingerprint, password, and key, providing flexibility for every situation. | [SECURE ZINC ALLOY CONSTRUCTION] Crafted from zinc alloy, this smart lock ensures robust security for your home or office. | [EASY POWER BACKUP] In case of battery depletion, simply use a mobile power supply to unlock the door, ensuring you never get locked out. | [SMART AI RECOGNITION] Equipped with advanced biometric fingerprint recognition technology that learns and improves over time for enhanced security. | [SIZING CONSIDERATION] Fits layouts with a width of 65MM or less; please check your door specifications before purchasing.