M12 FUEL 1/2" Hammer Drill/Driver delivers unmatched run time, power under load, and durability. Lightweight, versatile hammer drill/driver provides up to 10 times longer motor life, 2 times more power, and 4 times more run time. POWERSTATE brushless motor outperforms all leading competitors with constant power output, yet runs cooler and quieter with no wearable components. REDLINK PLUS intelligence ensures optimized performance and protects from overload, overheating, and over-discharge. Can be used with the REDLITHIUM 2.0 Compact Battery Pack and 4.0 Extended Capacity Battery Pack. Built-in LED (light emitting diode) light illuminates the work surface. An all-metal ratcheting locking chuck provides maximum grip, bit retention and durability. New contoured soft grip gives ultimate comfort during prolonged use. Includes (1) M12 FUEL 1/2" Hammer Drill/Driver (2404-20), (1) M12 REDLITHIUM 2.0 Compact Battery Pack (48-11-2420), (1) M12 REDLITHIUM XC 4.0 Extended Capacity Battery Pack (48-11-2440), (1) M12 Lithium-Ion Battery Charger (48-59-2401), belt clip, carrying case.