Feature: 1. VOLTAGE 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. 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. 3. HIGH 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. 4. LED 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. 5. LIGHT 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. Specification: Item Type: Mini tattoo power Material: ABS, electronic components Input Voltage: AC100-240V 50/60Hz System Adjustable Voltage: 3-12V, adjustment accuracy 0.1V Power Supply Host Size: Approx. 75 x 75 x 45mm / 3 x 3 x 1.8in Product 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 adjustment. Package List: 1 x Tattoo Power Supply1 x Adapter