1. Automatic focusing, pictures of either a single tooth or the full view of the mouth cavity can be taken easily as required. 2. The hanger can be fixed at any desired position to allow easy storage and retrieval of the camera. 3. Simple to operate. No output control unit is required. Just connect the computer with the USB cable and press the button to start taking pictures of the oral cavity, even the hidden corners. 4. With a special key to start using Live Messenger