1. Improved face recognition algorithm and live face detection algorithm. 

2. After active device, you can choose appliction mode: indoor or others. For K1T605, currently only indoor is recommand.

3. If someone try a user's face photo too many times when live face detection is on, the device will lock this user's face, you need wait 5 minutes or use real face to successfully authenticate 3 times to unlock this user.

4.Delete "Password & Face" authentication mode. 

5. If enable auto supplement light function,  supplement light will turn on when device detects someone in front of device, and will turn off when no one in front  of device for more than 2 minutes.