Lithium-Ion Battery for longer run time-holds its charge for up to 18 months in storage. Removeable battery-extra batteries available for non-stop performance. 1/4 In. Hex Quick-Change Chuck for 1-handed bit changes. Featuring 46 In./Lb. of peak torque Two speeds (200/400 RPM) for versatility. 16 torque/clutch settings. Offers improved torque control during repetitive application. Built-In LED Work Light. Includes: removeable 8-Volt lithium-ion battery, a standing charger, 4 quick change Hex-Shank drill bits, 4 screwdriver bits and operators manual. WARNING: This product contains chemicals know to the State of California to cause cancer and birth defects or other reproductive harm. -