The DCM200E1 20V MAX* XR 18in Bandfile provides More Power Than Pneumatic** for tough commercial applications rotating up to 5,600 Ft/Min with 732 MWO. This power is controlled with a variable speed trigger and speed setting dial. A 104° Rotating Contact Arm enables the user to take full advantage of the portability and versatility and to access hard to reach spaces. Coupled with a Rotating LED to help illuminate the workspace and tool-free belt change the DCM200 provides user convenience, mobility and versatility. This kit includes a 20V MAX* DEWALT POWERSTACK Compact Battery that is 50% more powerful, 25% more compact, and 15% lighter***. Lastly, the DCM200 18in Bandfile utilizes DEWALT's 20V MAX* system, it joins 300+ products in the 20V MAX* line, each engineered to meet the specific needs of demanding trades. ** Based on MWO, using DCBP034 battery vs. pneumatic-powered Dynabrade Dynafile 14000, 14010 Abrasive Belt Tools. Dynabrade Dynafile II 40320, 40321, 40324, 40326, 40335, 40381 Abrasive Belt Tools. Dynabrade Dynafile III 15300, 15302, 15400, 15401, 15420 Abrasive Belt Tools. DYNABRADE and DYNAFILE are registered trademarks of Dynabrade, Inc., which has not endorsed or approved this comparison. ***Regarding 50% more power: vs. DCB203 battery, not in application. Regarding 25% more compact: footprint vs. DCB203 battery. Regarding 15% lighter: vs. DEWALT 20V MAX* batteries 2.0Ah or lower.