Feature: 1. Compatible with all coil and rotary tattoo machines, user friendly. Easy to adjust voltage and change voltage. Two pedal modes - hold or momentary. 2. Energy saving: if the machine is not touched for 5 minutes, it will automatically enter the power saving mode, and you need to touch any button to start. 3. Preset function key: 3-gear voltage can be set in advance for fogging and line respectively, and it is convenient and fast to switch daily working voltage at will. 4. Small size and light weight. LED digital display screen, covered with a layer of glass, more refined and advanced. 5. Dual function modes switching: fogging mode and line mode. You can plug in two machines at the same time, and switch the required mode at will during work, which is convenient for operation and work and saves time. Specification: The tattoo power transformer is easy to adjust voltage and change voltage, compatible with all coil and rotary tattoo machines. Fogging mode and line mode, 3-gear voltage can be set in advance. Two pedal modes - hold or momentary. Features: Compatible with all coil and rotary tattoo machines, user friendly. Easy to adjust voltage and change voltage. Two pedal modes - hold or momentary. Energy saving: if the machine is not touched for 5 minutes, it will automatically enter the power saving mode, and you need to touch any button to start. Preset function key: 3-gear voltage can be set in advance for fogging and line respectively, and it is convenient and fast to switch daily working voltage at will. Small size and light weight. LED digital display screen, covered with a layer of glass, more refined and advanced. Dual function modes switching: fogging mode and line mode. You can plug in two machines at the same time, and switch the required mode at will during work, which is convenient for operation and work and saves time. Specifications: Material: ABS Color: Black Plug Type: 4 types (optional) Input Voltage Frequency: 50-60Hz Input Voltage: 90-250V Output Voltage: 1.5-18V 2A Adjustable Output Voltage: ±0.1V Item Size: 92 * 92 * 31mm / 3.62 * 3.62 * 1.22in Package Weight: 170g / 6ounces Package Size: 110 * 105 * 40mm / 4.33 * 4.13 * 1.57in Note: Tattoo pen is not included. There are 4 kinds of plug types for your choice, please choose one suitable for your country. Package list: 1 * Tattoo Power Transformer 1 * Power Cable Package List: 1 * Tattoo Power Transformer 1 * Power Cable