The Rage Power Supply is the first OLED display power supply in the industry. The OLED display features an efficient, crisp, and bright display screen. The Rage features a flush display interface for easy application of barrier film. The Rage Power Supply gives you the option to program up to four voltage presets. The preset buttons allow you to recall the voltage values for any four of your favorite machines. In addition, a built-in timer is included to assist artists with tracking tattoo session time. The Rage Power Supply is specially designed and engineered to allow your machine to operate at their ultimate efficiency. The Rage provide consistent and smooth output power to your rotary or coil tattoo machines.