This multi-functional beauty device features RF and EMS functions. - Model Name: CELLZERO Smart - Functions: ULTRA/RF, EL/EMS, RF, SUCTION/RF, THERMAL KNIFE - Display: Touch Screen - Design: Stand with casters - Color: Black I purchased it about three years ago, but I haven't used it very much. I've only used the thermal knife function once. Please note that this item has been stored by a private individual, so while it is in good condition, please refrain from purchasing if you are overly concerned about minor imperfections. I look forward to your purchase if you understand the above. I am open to a little price negotiation.