MAGIC DOT BOX FOR THE TATTOO WORKS…. DOT BOX FOR DOTWORKS The device was designed for artists who create their works using the dot works technique. DOT BOX is designed to easily regulate the delay of the machine needed to make a perfect tattoo in the dot works technique. All adjustment is done with one sensitive knob. Special device for dots technique. Material: aluminum Color: Black Speed regulation:slow- fast-regain Adjustable range：0.1 Hz – 150 Hz Features: 1. Turns any machines into a dot machine with a clip cord 2. Simple and easy to use Remark: This is not a power supply. You will still need a power supply.