The TP-7 Thunderlord Tattoo Power Supply is a high quality, compact and lightweight power supply. Ideal for those that travel a lot or have limited space. Regardless of its size, the TP-7 Thunderlord is very powerful and will keep a strong steady current to your machine. It features dual outputs and a function conversion button that allows you to choose left, right / pedal or dual output mode. Equipped with a smart display interface screen and and a high quality knob for adjusting the voltage.