Hitachi CV18DBLP4 18-Volt Brushless Lithium-Ion Oscillating Multi-Tool (Tool Only, No Battery) Features Brushless Motor Technology for more run time, increased power and extended durability with essentially no maintenance Achieves an impressive oscillation speed of up to 20,000 RPM with the use of the Brushless motor Unique auto-variable speed mode function delivers two modes of speed Tool-less blade change designed for quick and easy accessory replacements LED work light illuminates the tip of the accessory, especially convenient in tight or dark work spaces