Feature: 1. Made of quality space aluminum, quality motor, strong power, low noise. 2. 3-5V start voltage and 7-12V normal work voltage, stable performance. 3. Bottom threaded shape, slip resistant, provides better grip strength. 4. Can work constantly for 3-5h without hot, reliable and safety in use. 5. No arm or hand fatigue even long time working, good for tattooist. Specification: Condition: 100% Brand New Item Type: Tattoo Machine Optional Color: Black Orange Ring, Black Green Ring Material: Space aluminum Size: Approx. 121 x 26mm / 4.8 x 1in Needle Stroke: Approx. 1 ~ 3.5mm / 0.04 ~ 0.14in RPM: 12000 RPM Starting Voltage: 3-5V Operating Voltage: 7-12V Function: Liner Shader Needle Type: Cartridges needles Package List: 1 x Tattoo Machine 1 x Connection Cable