Incorporating Mast¡¯s new design concept to create a simple, easy-to-use, and efficient tattoo power supply¡ª¡ª Mast Circle.It is compatible with traditional coil and rotary tattoo machines.Easy to Use: The Mast Circle can work with or without a foot pedal. Press the round panel to control start and stop, when there is no foot pedal.Turn the round panel to adjust the voltage.Type-C Port: More stable voltage when working with the Type-C power supply port. It also has wider adaptability so you can use your existing TYPE-C charging device without worrying about finding the charging cable.Anti-tired & Non-anti-tired: There are two modes of this power. When inserting the foot pedal,Press the circular panel once and b1 is displayed, indicating that the anti-tired mode is enabled ;Press the circular panel again, and b2 will be displayed, indicating the non-anti-tired mode.What¡¯s the difference between these two modes?Anti-tired mode: the pedal will keep working with power when it is pressed once, and stop working with power when It is pressed again;Non-anti-tired mode: the pedal must be stepped on all the time to work. and the power supply will stop working when the pedal is released.Specifications:Output Voltage: 4-15VPower Weight: 157gSize: 82MM* 82MM*34MM