Description Rotary tattoo pen machine kits with cartridges needles and inks, suit for tattoo beginners and artist Feature: Net weight: 175.2g Size: Full Size Configuration: Tattoo Machine*1 Color: Black , Red , Gold , Sliver Parameters: 1. Interface: DC interface 2. Material: Aluminum alloy 3. Process: lathe process 4. Starting voltage: 6v 5. Working voltage: 8-10V Switching frequency: 55-165 Hz, stroke: 3.5 mm, 0-4mm adjustable needle depth Advantage: 1. Speed, 10V-1W r/min, powerful, can be used for shading and lining. Connected by DC line. 2. One-piece pen structure, changing the needle, adjusting the length of the needle, simple and convenient; 3. DC interface – alloy protective layer, tightly connected, more resistant to wear; 4. New hand-slip anti-slip design, comfortable pen grip, good hand feeling, not tired for long time use; 5. All cartridges can be used Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Please leaving a message before you give the bad feedback, if the products have some problems.