PORTER CABLE 120 Volt 4.5 Amp Orbital Sander Wood look Vinyl flooring Motor Speed (RPM) 1610 RPM Motor Speed (RPM) 1610 RPM Motor Type AC Mounting Type Downrod Mount Number of Blades 3 Number of Speeds 3 Recommended Room Size Small Room (250 sq Quick Shift Mode uses the brushless motors electronic controls to find the best balance of speed and torque for each application for more efficient fastening AC motor with electronic variable speed dial generates 2 lightweight design 5 1 2 lbs 100% ball bearing and roller bearing construction Applications include aggressive material removal and surface preparation Independently certified to meet applicable standards