Unlock way: Face Recognition+Fingerprint+Tuya App+Code+Card+Key

Combination Unlocking: Single Fingerprint/Double Fingerprint/Single Fingerprint+Code

Working Voltage: 7.4V Lithium Battery

User Capacity: 50 Face Recognition,100 Fingerprints, 100 Passwords, 100 RIFD Cards

Special Features: Anti-peep Code, Tamepr Alarm, Low Battery Alarm, Night Vision

Door Thickness: 40-110mm