Dental Fiber Optic High Speed Turbine LED Handpiece E-generator 4-HOLE. Dental Fiber Optic Handpiece E-generator Internal 3 spray 4 holes. Low noise, large torque, vibration free, heating free and high illumination Push button, Triple water spray, LED handpiece integrate E-generator 4-Hole Push Button system Back siphonage prevention sanitation handpiece Professional LED light source, superior brightness, longevity 1000 hours Unique electric generator, just a little air can generate sufficient power Technical specification: Body size:L134 H17 Head size:Ø 12.5 H14 Bur size:Ø 1.6 Chucking power:20-45N Spray:Internal triple spray Chuck:Push button Sterilization by autoclave at (135) 0C Noise level:? 70 dB Air Pressure:0.22-0.3 MPa Rotate speed:250,000-350,000 r. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. IMPORTANT INFORMATION ON OUR POLICY AND FEEDBACK. Feedback if you are satisfied with our items. We try to be fair and accurate with all of our product listings and descriptions. If there is a problem, we can work together to resolve it. We strive to always be extremely fair and always try to work with reasonable customers. We will always make every attempt possible to resolve issues if we made a mistake. Please do not assume a mistake is intentional. Let us know if our service could be better! Tracking info of your parcel is available. The following form is for your reference. Please repack the item carefully. City, State:BEIJING, China.