.The Dragonhawk Airfoil Tattoo Power Supply is advantageous for its switch-mode technology, which allows for efficient electric power conversion and convenient output voltage adjustment. This Airfoil tattoo power supply has a maximum output voltage of 16V and 2A current with overvoltage and short circuit protection. This tattoo power supply includes an OLED display with optimal viewing and an easy-to-operate control dial. Compatible with all RCA cords and clip cords.