PRO FINE TATTOO KIT - Mast Tour Pro tattoo pen machine kit with two cordless batteries, great for tattoo artists tattooing over 5 years. You can see many tattoo work on our brand social media by pro artists, like oliver and jason. More easy tattooing with this wireless tattoo kit. UPDATE MCORE MOTOR - Tour Pro tattoo pen machine updated with mcore motor, stronger, more powerful, light sound, suit for precise line work, black and grey shading, solid color packing. Gives a possibility to pack faster, more quality and less trauma, get different hitting with 3.6mm stroke. TWO CORDLESS BATTERIES - Mast U1 wireless power supply compatible with all standard RCA rotary tattoo machines.