Two-mode operation for 'Rotation Only' or 'Hammering with Rotation'. Two gear ranges, high or low torque with variable speed, low 0 to 1200 RPM or high 0 to 2900 RPM. Built-in clutch reduces gear damage by disengaging gears if bit binds. Positive stop mode selector prevents accidental mode disengagement. High output LED (light emitting diode) light for increased visibility on work surface. Vibration absorbing handle. Drills up to 3/4 In. concrete, 1-9/16 In. wood, 1/2 In. steel. Metal gear case. Double insulated. Includes 360 degree swivel side handle, depth gauge, chuck key, plastic carrying case.