Features1VOLTAGE ADJUSTABLE: The adjustable voltage of the tattoo power supply for 3?12V, the adjustment accuracy of 0.1V, rotate the adjustment button to adjust the voltage. 2 PEDAL MODES: Tattoo power supply has 2 foot pedal mode, one is the need for foot pedal control mode, the other is no foot pedal control mode, short press the voltage adjustment button, the machine can run continuously. 3HIGH EFFICIENCY: Strong movement, suitable for a variety of places, strong power, long working hours will not heat up, you can rest assured that the purchase and use. 4LED DISPLAY: This mini tattoo power supply with LED display, can accurately display the current voltage, convenient for tattoo artists to adjust the voltage at any time. 5LIGHT WEIGHT: Tattoo power box with ABS shell, small size, light weight, can effectively anti static, easy and safe to use. It also comes with cool and stylish LED lights.SpecificationItem Type: Mini tattoo powerMaterial: ABS, electronic componentsInput Voltage: AC100-240V 50/60HzSystem Adjustable Voltage: 3-12V, adjustment accuracy 0.1VPower Supply Host Size: Approx. 75 x 75 x 45mm / 3 x 3 x 1.8inProduct Characteristics: 1. 2 seconds to turn on, 0.1V precise adjustment.2. Built in short circuit protection, breathing light.3. Support foot pedal, no foot pedal 2 working modes.Voltage Adjustment Mode: Knob adjustmentPackage List1 x Tattoo Power Supply 1 x Adapter