1. 6 unlock ways: 3D infraed Face,Fingerprint, Password, IC Card, Mechanical Key ,APP(Real-time Intercom)

2. Carved alloy Material Built Strong enough to protect your home;

3. Locking & Unlocking automatically with the newest automatic technology to free your hands;

4. Indoor double lock knob gives you one more safeguard;

5. Emergency power supply in case of lost power;

6. Built in Rechargeable lithium battery. Low battery warming. One time full charge can work about 3 month.

7. English Voice and menu

8. Query unlock records in the lock

9. Infrared Sensor Camera make it also can work well in dark environment

10. Suit for Lots of door type: Wooden door, stainless steel door, bronze door, Double door, Old-fashioned security doors

11. Left Open and Right Open All compatible