Features * Use the international advanced technology, high-efficiency, clear imaging. Low leak radial, is only 1% of national standard. * Light touched button, controlled with microcomputer, only press one button to select the exposure parameter, fast and accurately * Developing in light room, image in one minute, the doctor can diagnose conveniently for maximum * Pneumatic up-down seat, more convenient and more comfortable * It is for the use of the digital imaging system of mouth.