Support fingerprint, password, NFC card swiping, Bluetooth unlocking, facial recognition and other unlocking methods It supports biometric technologies such as finger vein recognition and palm vein recognition, and further enhances security by obtaining personal finger or palm vein distribution maps for identification. Strong security protection capabilities: Smart door locks are usually equipped with C-level or higher lock cylinders, which greatly enhances the protection level. At the same time, they also have security configurations such as anti-skid, anti-password trial and error, and low-power warning, which greatly enhances security.