It is an updated version of the Mast Tour Pro Machine. The Mast Special brushless motor, powered by M core-r1, is stronger and a powerful red motor. It has a stroke length of 4mm and a shell lighter than the Mast Tour Pro Machine, making it suitable for all kinds of tattoos. With a weight of 118g and height of 91mm, the largest diameter is 32mm. It provides a more comfortable feeling and is compatible with the wireless battery. The machine comes with an RCA connector. When the machine is working, the blue light will keep shining.