The DC330B is compatible with DeWalt's XRP batteries and the older NiCd batteries. All-metal lever-action keyless blade change allows for quick and easy blade changes. All-metal keyless shoe bevel with detents at 0°, 15°, 30° and 45° provides versatility for easy bevel cutting. 4-position orbital action provides control of cut quality and speed. Adjustable dust blower keeps line of cut clear of chips. Variable speed 0-3,000 spm for versatility in a multitude of materials and applications. Anti-slip comfort grip for increased comfort and control. Batteries and charger sold separately.