["Description:\nbrand new and high quality\nFeatures:\nMaterial: Made of aluminum alloy, solid and sturdy, lightweight for you to carry easily.\nAdjustable Voltage: Press \"+\" or \"-\", the voltage increases/decreases by 0.1V\nBetter Application: LCD display.Simple operation, convenient to use. Used for most all standard RCA connect tattoo machines.\nWireless design save you more space and reduce danger of stepping on lines, is a top choice for professional tattoo artists.\nGift: Tattoo Power Supply,easy to operate with no lines, you will get the practical tool, it is also a great gift for tattoo lovers!\n\nSpecification:\nTattoo machine suitable for RCA interface.\nCharging interface: USB cable interface\nBattery capacity: 1300mAh\nPower supply voltage range 4-12V\nCharging time: about 2 hours\nWorking time: about 4-6 hours\nDisplay: LCD display\nMaterial: Aluminum alloy\nOptional Color: Gold,Red,Blue,Black\nSize:app. 12 x 12 x 5cm / 4.72 x 4.72 x 1.96in\nQuantity: 1 pc\n\nNote:\nTransition: 1cm=10mm=0.39inch\nNo retail package.\nPlease allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x Tattoo Power Supply(other accessories demo in the picture is not included.)"]