Name: Tattoo Short Pen (Hollow Cup Motor) Size: 93mm*30mm Packing: clamshell box + RCA line Color: 7 colors Black - Red - Blue - Purple - Gold - Silver - Pink parameter: 1. Interface: RCA interface 2. Material: aluminum alloy 3. Process: CNC integrated carving 4. Motor: Hollow cup motor 5. Starting voltage: 6-7v 6. Working voltage: 8-10V advantage: 1. The hollow cup motor is used for strong power, stable performance and high quality. 2.CNC integrated carving process, good workmanship, exquisite appearance, smooth and not rough details, small gap between accessories and accessories, wear-resistant, long-term use without deformation. 3. Short pen structure, exquisite style, high profile, laser printed LOGO. 4. New detachable structure, easy to disassemble and install---can be directly unscrewed, view or replace the motor, and the schedule maintenance is more convenient and simple. 5. The new steel ball rotation adjustment structure makes the needle adjustment more precise, and the 咔-咔-咔 rotation sound is crisp, durable and wear-resistant, and feels good. 6. Standard Cheyenne size, suitable for most common tattoo needles on the market.