Description: *100% Brand New. *Voltage: AC 100-120V 60Hz/220-240V *Power:10 W *Collect: 2.35 mm (3/32”) *Rated Speed: 20,000rpm max *Color: Grey (main control machine) & Black (hand piece) *Main engine size:13cm x6cmx8.6cm(5.07x2.34x3.35\