Description: brand new and high quality Features: Material, Lightweight: The wireless tattoo power supply is made of aluminum alloy, solid and sturdy, lightweight for you to carry easily. Adjustable Voltage: According to the indicator light, you can clearly observe the voltage you has adjusted, all gears present exceptional performance. Better Application: Wireless tattoo power supply,simple operation, convenient to use. Wireless design save you more space and reduce danger of stepping on lines, Which is a choice for professional tattoo artists. Gift: You will get the practical tool, it is also a great gift for tattoo lovers! Specification: Needle Stroke: 1-3.5mm Battery Capacity: 10000mAh Working time:about 4 hours Charging time:about 1.5hour Working voltage: 3-12V Motor Speed: 10500rmp Material: Aluminum alloy Optional Color: Black,Silver,Gray,Blue,Rose gold Size:app. 13 x 3cm / 5.11 x 1.18in Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Wireless Tattoo Power Supply(other accessories demo in the picture is not included.)