Our M12 1/4" Hex Impact Driver is optimized for high-speed fastening and delivers unmatched fastening performance in a lightweight, tool belt portable design. The impact driver's high-performance motor gives you 0-2,500 RPM for increased fastening speed. REDLITHIUM Battery Technology outperforms the competition, giving you up to 80 percent more runtime. An onboard battery fuel gauge displays remaining runtime. In addition to the compact hex impact driver, the kit includes two M12 REDLITHIUM batteries, one M12 Lithium-Ion charger, a belt clip, and a carrying case