Features: 1.Low noise,Standard head2.Stainless body,durable,maintain stability3.Single water spray, LED handpiece integrate E-generator4.Unique electric generator, just a little air can generate sufficient power5.135°C Autoclavable6.Ring LED lamp,shadowless lighting ensures brightness at all preparation area7.The world dental chair two holes, four holes8.Warranty:Six monthsTechnical : Chuck Type: Push Button Working pressure: 0.25 Mpa to 0.3 MpaSpeed: 280,000-350,000R.P.MBur size：Φ1.595-Φ1.600mmNoise: ≤ 68 dBHole: 2 Holes / 4 HolesBEARING: Ceramic bearingPacking ListHandpiece *1Wrench *1Operation manual *1