Description Features: Low noise, large torque, vibration free, heating free and high illumination Push button, Triple water spray, LED handpiece integrate E-generator. 2/4-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. The cost versus performance ratio puts the Y1BA series at the highest level within its class. 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? -Noise level:? 70 dB -Air Pressure:0.22-0.3 MPa -Rotate speed:250,000-350,000 r.