... -2 : 1 .floor type 2. low leak radial 3. light touched button 4. safety to use The specification for dental X-ray ... only 1% of national standard.3. Light touched button, controlled with microcomputer, only press one button to select the exposure parameter, fast and ... .4. Developing in light room, image in one minute, the doctor can diagnose conveniently for maximum.5. Pneumatic up-down seat, more ...