Power: single phase,50-60Hz, Double insulated
<br />    RPM: single speed:20000, Variable speed:3000-20000
<br />    Collet: Collet Type:3.2mm, Spring chuck type:0.3-3.2mm
<br />    Dimensions:160mm*24mm(L*Diameter)
<br />Package: 1Pcs Manicure Pedicure Set Variable Speed Electric Nail Art Pen
<br />              1Set Nail Art Electric Nail Files Drill Bits Kit
<br />              1Pcs AC Adapter(EU Plug)