RU02 is the only light duty cutting edge machine on the market to offer ~3hp with TRUE variable speed control. It's TRUE 0-8500rpm range makes it perfect for polishing as well as cutting &
grinding. Weighing only 35lbs & with a simple three prong power adapter, RU02 is very easy to use at any job site. The undercarriage is using hydro-float function with rubber plank to protect stone
surface when operate machines. The voltage has 110V and 220V for choose.