Feature: 1. Versatile Unlocking Options: 2. Efficient and Secure Fingerprint Recognition: With advanced FPC semiconductor fingerprint technology, this lock can store up to 100 fingerprints and recognizes them in less than 1 second. Its ergonomic design makes it easy to use - simply place your finger on the sensor and the lock will precisely identify and unlock for you. This lock employs virtual password security technology to prevent password theft and safeguard your real password. By combining real and fake digits, it effectively protects your privacy and ensures the security of your access code. 4. Real-time Defense and Alarm System: 5. Convenient Backup Options: In case of severe battery depletion or complete power outage, there's no need to worry. You can easily open the lock using the provided emergency keys or connect a power bank to the built-in USB Type-C charging port for temporary power supply. Specification: Certification: CE Origin: Mainland China Color: Black Communication method: WIFI Fingerprint: Semiconductor fingerprint head Fingerprint+password+IC card: 300 user passwords Length: 6-8 digits Unlock method: fingerprint/password/swipe card/key/APP Fingerprint storage capacity: 100 pieces Service life: 1 million times Power input: DC 4.4V-6.5V Low voltage alarm: 4.7V Standby current:45uA Working current:250mA Alarm type: Anti prying/trial and error/low battery alarm Unlocking times100000 (times) Scan time: 0.03 (s) False admission rate: 0.001 (%) Rejection rate: 0.001 (%) Working temperature: -20-65 (& 8451;) Working humidity: 75% Size: About 240x61mm/9.44x2.40inch Weight: 1600g