Smart digital electronic lock with time attendance & access control function Material:PC Size:160*75*35mm Unlock way:autolock Door thickness:10-12mm Card capacity: 1000 Fingerprint capacity: 2000 Power Supply:4pcs 1.5V AA battery Unlock Mode:Fingerprint/Code/Card/Arbitrary combine Suitable Door Type:Glass Door Etc Feature:Easy Installation;Can connect power bank for power if battery run out;Support attendance;Can output attendance data by USB disk Remote control optional