... adjusts needle length, disposable needles, rechargeable batteries, and wireless hand piece. It is hygienic, convenient, and safe. The perpendicular movement ... as nose, around eyes, or mouth, and the hand-piece allows you to treat areas in whichever angles you want ... 0.5mm (default) or 1.5mmBattery: Lithium Polymer (500mAh)Hand-piece size: Length 160mm, width 32mmCradle Size: diameter 100mm, height ...