Description Product Feature 1. Build in 2A overloadcurrent protection; 2. Newest design power supply; 3. Stop watch, so you can accurately keep track of time taken on a job; 4. Allows up to 4 machines pre set memory modes for liners/shaders; 5. One button to decide how you like the pedal works: a long time work or just a short time permanent memory, can keep long time memory of its working mode; 6. Includes color match table/wall mount, power plug; 7. Strong import motor; 8. RCA interface has high conductivity. Machine characteristics Operating voltage:5-13V DC Needle protrusion:0-4.5mm Stroke:3.5mm Connection:3.5mm jack plug Output: 0-18V user selectable voltage increments Working voltage: 110V-240V, Frequency: 50/60HZ Display: Volts, Amps, Speed, Duty, Time, Stop watch, Pre set status Package included 1 pc tattoo rotary pen machine(with DC cord). 1 set Professional Power Supply System. 1 pcs High Quality Tattoo Pedal. 20 pcs Sterilization cartridge needles 1 pc bandage skin 1 pairs gloves