Switch your game up and experience ultimate versatility with the Mast Sensor tattoo machine.Equipped with brushless motor--power by mcore, longer lifespain and professional design brings longevity and quiet running. Good versality-compatible with most Mast wireless batteries amd RCA cables. 4MM stroke offers more strength and is perfect at color packing. Made of air material. Light weight(133g only) reduces hand fragile, more user-friendly. Specifications: Color: Black, Matte Black, greem, purple and rose gold Stroke Length: 4.0mm Connection: RCA Weight: 133g Length: 95mm Working Voltage: 6-10 V Speed: 12V/10000 RPM Equipped with ergonomic 32mm grip brushless motor, power by mcore Ideal for lining, color packing, and solid color work