The 3-speed selector of DEWALT 20V tools allows users to choose their speed setting based on application. Brushless motor of DEWALT oscillating tool delivers up to 57% more run time over brushed Dual-Grip variable speed trigger of DEWALT cordless tools gives users ultimate speed and application control Universal accessory adapter for use with most oscillating tool accessory brands. Oscillations/min: 0-13,000/ 0-17,000/ 0-20,000 OPM Quick-Change accessory system allows blades and attachments to be changed quickly without wrenches Bright LED illuminates dark work surfaces for accurate cutting