1,DC high frequency portable dental x-ray unit 2,small,light,nearly no radiation. 3, ... FEATURES: The device is DC high frequency portable dental x-ray unit, small, light and nearly no radiation.There are ... its life.It can be connected with intra-oral digital x-ray imaging system.SPECIFICATIONS : Tube Voltage: 60kVTube Current: 1mAExposure time: ... : 220×240×275(mm) DXM-60P Portable Dental X-ray Unit