Feature: 1. To use wireless camera, we can capture teeth images of patient and then transmit into computer on wireless LAN. 2. With mirror image function. 3. Without any USB cable, it lets dentist easily operate it, save images. 4. More quickly and conveniently. 5. The time of using internal high-quality Li-battery will be longer. 6. The quality of image and picture will not be interrupted and will not lose truth. 7. There are 4 channel selections to switch. 8. With indicator of battery currency. 9. Fast recharge and easily to operate.