Order No.: JT-020 Voltage: 220V/50Hz±10% / 110V/60Hz±10% Power: 160W Rotational speed: 15000 rpm Size :18×18×33cm Weight: 6.5KG This machine is a special precise equipment for odontology,using a laser to guarantee the holes accuracy. This machine uses hardened alloy drill bits, the depth of the drillod holes can be adjusted.