Dental High Speed LED Handpiece Standard Push Button 2 holes 3 Way Spray 74312281Features: Self suffcient LED power system with no power supply required. 2 hole standard push button handpiece Clear view with day light LED illumination Unique electric generator, just a little air can generate sufficient power Self illumination without connecting circuit Push button wrench chuck system Technical parameters: Working pressure: 0. 25 Mpa to 0. 3 Mpa Air consumption: 55L min Rotation Speed: 260,000rpm (torque); 350,000rpm(standard)