This is the Cosmo Dr Pro 9000. Operation has been confirmed. It works without any problems and is ready to use immediately. There are three voltage settings: 3500, 7000, and 9000 volts. There are three waveforms: 1, 2, and 3. By combining these, you can prevent your body from getting used to the treatment and use it effectively. For first-time users, there is a fixed program that combines volts and waveforms for peace of mind. Please refer to page 10 of the photos. The insulation sheet has three tears and has been repaired with tape. Please refer to photo 11. ＜Accessories＞ Main unit, conductive sheet, high-voltage cord, power cord, insulation sheet, electronic pen, instruction manual Other than the insulation sheet, there are no noticeable stains or scratches, but please check the photos and understand that this is a used item before purchasing.