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. Quick-Change accessory system allows blades and attachments to be changed quickly without wrenches. Bright LED light illuminates dark work surfaces for accurate cutting.