Optical high speed handpiece

~Feature: 1 self-sufficient power system instead of extra supply 2.clear view with day-light LED 3.triple spray 4.Push button system Technical data Operating pressure:0.25Mpa-0.3Mpa(0.3Mpa preferred) Air consumption :0.55L/min Free-load speed:260,000 rpm for torque head,350,000rpm Speed of generator:25,000,35,000rmp for standard head Noise≤70db Chucking power 20-45N Packing list : 1.LED handpiece integrate E-generator 1 pcs 2.cap wrench 1 pcs 3.O-ring 1 set 4.operation manual