Brand : SKYSEA Push button: Yes Standard head, offers a better sight for dentists big torque With ceramic bearings, low noise and durable: Yes Air pressure at the gauge in the dental unit: 240-294Kpa (2.45-3.0kgf/cm2) Water pressure:198Kpa (2kg) Rotation speed :300,000-380,000rpm Head height:12.514.5mm Chuch type:Push button Bur applicable:1.595mm1.6mmx21mm23mm Noise. The sale of this item may be subject to regulation by the U. Food & Drug Administration and state and local regulatory agencies. If you have questions about legal obligations regarding sales of medical devices, you should consult with the FDA's Center for Devices and Radiological Health.This dental items is not meant to replace your doctor diagnostic. It is mainly for your piece of mind and comfort.