1. Large depth of field,assisting root cancel treatment
2. Support full sreen/four screen display
3. Multimedia playback
4. Support video recording to avoid disputes between dentists and patients
5. Support TF card to store pictures
6. Scaning QR code to get pictures
7. Support AV/HDMI input
8.10Megapixel hd camera,clear picture quality and assisted decayed tooth cureage to diagnose the recessive fissure
9.Support 4 pictures display
10.2.5 meters wires