The DC212B is compatible with DeWalt's XRP batteries and the older NiCd batteries. Compact L-Shape Design allows access in tight spaces while providing optimal balance for the user. SHOCKS™ - Active Vibration Control signifcantly reduces vibration and increases user comfort and productivity. 1.7 ft-lbs impact energy provides corded power without the cord. Variable speed, reversing switch delivers versatility in all applications. Factory-set clutch reduces sudden, high torque reactions if bit jams. Electro-pneumatic hammer mechanism for fast penetration and low vibration. 360° side handle for better control and ease of use in tight spaces. Batteries and charger sold separately.