SY E-Generator LED Dental handpiece brings light to dental offices that have been using handpieces those do not have the light on the tip. It has an internal power motor that is air-driven, which supplies LED lighting to the tip of the handpiece, so dental professionals can view the operation area without outside light. In fact this SY lighting system is even more focused and bright than most fiber optic systems. The pricing, as we are manufacture, sells even lower than most other regular high speed handpieces. It also weighs less than most others. Some other features are below for your reference. 1. Self-sufficient power system instead of external light source. Self-illuminated, natural light 2. Operating air pressure: 0.25-0.3Mpa (0.3MPa preferred) 3. Air consumption: 55L/min 4. Speed of generator: 25,000-30,000 R.P.M 5. 420,000 r.p.m for standard head 6. Ceramic Bearings: Quieter and longer life 7. Push button 8. Triple water spray 9. Sterilization by autoclave at (135) Centigrade 10. Unenclosed Cartridge 11. Noise level: Less than 68 dB 12. Chucking power: 20-45N 13. Net weight: 88g 14. Ergo Grip: Secure Grip for your confidence 15. ISO 7785-1 16. CE Mark 0197 17. One year guarantee (half year for bearings).