1、Multiple door opening modes with advanced fingerprint recognition, contactless cards and passwords are more convenient. 2、Supports for Tuya function, and it can be remotely unlocked by connecting to the phone via WiFi. 3、Support fingerprint, IC card, password, mechanical key and mobile APP to open the door, and you can also view the unlocking history through APP. 4、The addition and deletion of fingerprints and passwords are managed based on the unlock number. 5、When you forget to replace the battery and cannot open the door, USB emergency power can help you. 6、The whole process has intelligent voice navigation and is easy to operate. 7、When unlocking with a password, you can add multiple incorrect passwords before / after entering the correct password and press # to confirm the lock. (The anti?peep function can input up to 16 digits.) 8、Combined unlocking and dual functions make door locks more secure and secure. 9、Prevent others from peeking at the password, perform self-test, smart identification and quick selection at startup, such as fingerprint+password or IC card+password. 10、Supports querying unlocking records and understanding the use of door locks in time. 11、The door lock module is waterproof, moisture?proof and mildew?proof, and its quality is stable and reliable. 12、Through high and low temperature test, vibration, aging, etc., to adapt to harsh environments.