Have 2 hole adapter for Brazil customer. Working air pressure:0.25Mpa-0.4Mpa. Water pressure:0.2Mpa-0.4Mpa. Press the button"GRAR" to swith speed ratio, when switching , corresponding to the speed ratio of light on. Quick control button --------"M1" and "M2".Press the M1 or M2 to export the recorded RPM. Press 2 second M1, M2, M3 to record the working. Listing and template services provided by inkFrog. The item "Dental Electric Micro Motor + 11 Fiber Optic Handpiece Low Speed Contra Angle" is in sale since Friday, February 28, 2020. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Handpieces". The seller is "hismile2017" and is located in California. This item can be shipped worldwide.