OLED+ 5LED E-Generator Dental High Speed Fiber Optic Handpiece 2/4Holes. 5 LED lamp, shadowless lighting ensures brightness at all preparation area. 5 points spray, perfect cooling treatment. Anti-skid body and non-scratch design, easy to control and more comfortable. Burs would be easily changed with the push button. 100% brand new and high quality. Rotation speed: more than 380,000 rpm. Working air pressure: 0.25–0.3Mpa. Cooling water: 5 water sprays. Bur applicable size: 1.590-1.600 mm. Style:4/2 hole/with Coupler. Chuck bur: push button. Bearing: ceramic ball bearing. Noise: less than 65 dB. Disinfection: autoclavoble to 135? Dental handpieces right use way. The need to use a clean, dry, oil-free air compressors for medical use. The air pressure between 2.3-2.8kgf / cm2. Place the adapter with quick connector at the bottom of a combination of dental handpieces, and confirm that the card lock fixed. Press the pedal, handpiece operation and examine whether the normal operation of the spray head. If everything is normal, you can start using the handpiece. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you! The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. International Buyers – Please Note. Our guarantee does not cover accidental damage or wear of product caused by customer. Thank you very much for your understanding! We believe that everything could be solved by communication. If you have any problems, we are very glad to help you. For the functional products in our shop (such as: Chargers, Data cables), which function is the same as description, but the actual color and shape may look a little different from pictures because of the technical improvement and actual stock state.