... needles as electrodes to reduce the pain during the treatment NEEDLE DEPTH:0.5mm, 1mm, 1.5mm Principle of PINXEL RF ... target Area ØContinuous heating with non-insulated micro electrodes Specification NEEDLE DEPTH0.5mm, 1mm, 1.5mmRF CONDUCT. TIME 0.1s ~ 2s ... CW mode, Pulse mode Working program 3 max program Mirco Needle RF Fractioal skin tightening system