Technical: 

High speed handpiece: 3 way spray 3 air 

Chuck type: push button 

Bulb:  LED light 

Noise: ≤70dB 

Air pressure at the back end of HP: 0.25-0.28MPA(4hole） 0.20-0.22MPA(2hole） 

Bur applicable : Ø1.59-Ø1.6mmx21-23mm 

Rotation speed : ≥300,000rpm