Air pressure at the gauge in the dental unit: 240-294 KPa (2.45-3.0 kgf/cm2). Water pressure: 198Kpa (2 kg). Rotation speed: 380,000-450,000 rpm. Bur applicable: f1.59mmf1.6mm×21mm23mm (diameter×length). Intensity of light: 25000 lx.Source of Light: LED bulb. Voltage of bulb: 3.03.2 V. Safty classification: B type application part. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. City State: Zhengzhou, Henan China. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Handpieces". The seller is "december-dent" and is located in this country: CN. This item can be shipped worldwide.