1. Pinxel-2 has four handles, Fractional RF handle (Non-invasive), Micro-needle RF handle (invasive), a cooling head, and a negative polar. 2. This machine is used for acne, scar, wrinkle, pigmentation removal, Skin Resurfacing, Large Pore Reduction and skin rejuvenation, face lifting, skin tightening. 3: This machine has Bipolar mode and Mono-polar mode two treatment mode, Most of China RF machine only has bi-polar mode. In Mono-polar mode, the RF energy is stronger. If using Mono-polar mode, the patient need to hold the negative polar handpiece Advantages: 1: It has insulated and non-insulated needle tips, two needle types for the doctor to choose. (25 pins insulated, 25 pins non-insulated, 49 insulated and 49 pins non-insulated needle tip) 2: The depth of the needle are adjustable on screen, 0.5mm-3mm. 0.5-1.0mm used for eye around, 1.0-2.0mm used for face treatment. 2.0-3.0mm used for body treatment. 3: There are 25 pins, 49 pins needle tips, insulated tips and non-insulated tips. 4: It uses Korea imported step motor. The needles are stronger, can come into skin more easily. In China, only Sanhe use this kind of motor. 5: It has a cooling head. Used for after-treatment care. Most other similar machines have no cooling head