2 External Battery can help you to work wirelessly each battery can work 3 hours. Non Slip handle with smooth points easy to hold and comfortable grip. Micro-pigmentation device easy and fast coloration . Adjustable Needles Length up to 2.5mm. Multicoloured for your selection we have Rose,Silver. Disposable accessories. Low noise Motor. The hand piece was designed with an emphasis on ergonomics, smooth lines and shape and comfortable grip. Needle fits 1R,3R,5R,3F,5F,7F Nano Needles ,Derma Needles suitable for machines. Input voltage: 110V-220V AC 50/60HZ. Output voltage: 4~12V. Rating current: 0-0.23A. Operating temperature: -20~ 45. Storage temperature: -20~ 85. Lightweight body,temperature insulating effectively and tattooing steady. Full disposable Needle with Needle-lock automatically, easy plug in-and-out. 100% prevention of cross infection. Simple to adjustable Needle depth, exact adjustment, perfect control. Powerful and noiseless Motor, punch frequency: 120-180Hz. Easy operation, pedal-free, with On/Off button on handpiece. Packing 1 Set into gift box (1 KB92 Machine + 1 External Battery + 1 Charger Plug+ 1 Connection Cable+2 Free Needles).