5 Unlock Methods:Tuya APP/ Fingerprint / Password / Smart Card / Key Unlock Bigger Fingerprint Sensor:Semiconductor fingerprint technology, compared with K7, K7 Pro+ has a larger fingerprint sensor, therefore, fingerprint recognition is more accurate and fast Press down the handle to open the door in one step without waiting. The fingerprint identification area is added with groove guiding design, which makes the hand feel more comfortable. Tuya APP Temporary Password Remotely Unlock: connection; Easy to connect and save power When not at home, you can use the Tuya app to generate a temporary password to unlock,Encrypted Smart IC Card ,Easy to Use IC Card to Unlock The Door, Manufacturer: DIGNIFE