The DEWALT 18V XR Brushless Oscillating Multi Tool 5.0 Ah has been constructed with a brushless motor which has been engineered for heavy duty applications. The 300W brushless motor with 0-20000 oscillations per minute delivers faster completion of the most demanding applications. The multi tool offers a quick change accessory system which allows the blades & attachments to be changed quickly without the use of tools. The variable speed trigger provides greater control & adjustment of speed during use. The bright LED light clearly illuminates work surfaces during use. The 35pc accessory set supports a range of sanding & cutting applications. The universal blade adapter can be used on most other oscillating tool accessories.