DEWALT�s DCK292L2 20-volt max lithium-ion premium 3.0 Ah hammer drill and reciprocating saw combo kit combines the superior performance of the DCD985 1/2-inch hammer drill and the increased power of the DCS380 reciprocating saw to provide a well-rounded pair of tools that assist everyone from rescue workers and contractors to carpenters and plumbers work their way through a number of applications. The 1/2-inch hammer drill�s high-power, high-efficiency motor delivers 535 unit watts out for exceptional performance in light and medium drilling applications. A 1/2-inch ratcheting chuck with carbide inserts provides excellent bit-gripping strength-reducing slippage during high-torque applications-thus offering prolonged tool life. EWALT-designed electronics have been built into both tools?switches to give maximum life for the tools and batteries by helping to safeguard them from overheating, overloading, and deep discharge during use. The 20-volt�s lithium-ion batteries provide up to 35 percent more runtime than existing 18-volt lithium-ion battery technology, and the included Energy Star-qualified charger has dual voltage features and it's compatible with both 12-volt max and 20-volt max DEWALT lithium-ion batteries.