Mec Digital Fingerprint Door Lock: Our fingerprint scanning lock has various access options: Bluetooth key, Fingerprint, Pin code and Mechanical key for your convenience. One-touch fingerprint verification Operation status notification: Whenever any operation is made, the LED indicator informs you of what is happening through different colors and signs. Door lock will activate automatically after opening doors a few seconds. (Manual operation is also available). Missing key invalidation: Once you lose your key, it has no validation as long as you re-register rest of your keys. For convenience and in case of emergency. Anti-panic exit system: For convenience and in case of emergency, it allows you to open the door by simply turning its handle from inside. Alarm will be on and last for 60 seconds if anyone attempt to open the lock with incorrect Fingerprint, PIN code 5 times. AA continuous “ beep” sound during door access will alert you to replace batteries. Keypad number can be seen only when you touch the screen with your palm. Mechanical key override.Front: 162(W)x60(H)x70(D) ( with handle) mm Back: ( Back body) 150.5 ( W) X 60(H) X70 ( D) (with Handle ) mm Door thickness : 35-60mm Stainless steel Bluetooth: 1 Master BLE key( Able to share sub Master BLE key) Fingerprint: Up to 10 Fingersprints ( 1 master Finger print and 9 user Finger print) User codes: Up to 10 Groups (000000-0000000000) (1 master group & 9 user groups) Battery : 3 × 1.5V AAA alkaline batteries required (operating voltage 3.3~4.5V)Includes: 1 x Mec Digital Fingerprint Door Lock