The DEWALT 18V XR Brushless Oscillating Multi Tool 5.0Ah 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 and attachments to be changed quickly without the use of tools. The variable speed trigger provides greater control and adjustment of speed during use. The bright LED light clearly illuminates work surfaces during use. The 35pc accessory set supports a range of sanding and cutting applications. The universal blade adapter can be used on most other oscillating tool accessories.