1Strong magnetic, can be adsorbed on metal. 2Accurately adjust the voltage, each time you can increase or decrease the voltage of 0.1V, the adjustable voltage is between 1.5-18V. 3Press the button on the tap, the red light is on, and the foot pedal is pressed to keep the tattoo machine powered. 4Automatic power-off protection function, when the tattoo machine is not working normally, the power will enter the power-off protection state. 5The power supply has no switch-on key, and the power supply goes to sleep state about 5 minutes after the power supply stops working.
