Voltage: 120V ACAmperage: 8.0ANo Load RPM: 0 - 900No Load BPM: 0 - 4,000Chuck Style: SDS-PLUSMax Capacity In Concrete: 1-1/8"Tool Free Bit Changes With Automatic Bit Locking And Maximum Impact-Energy Transfer Rate360 Degrees Auxiliary Handle Offers Operator Comfort Due To A Wide Range Of PositioningIntegral Slip Clutch Offers More User Security Because It Disengages The Output Shaft Should The Bit Get Into A Bind SituationVibration Reduction In The Hammer Mechanism And The Grip Area Provides Maximum User Comfort For Extended Periods Of WorkConstant Response Circuitry Provides Soft Start And Maintains Constant Speed Under Load And Provides Overload ProtectionMulti-Function Selector Has 3 Modes Of Operation, Rotation Only, Rotary Hammer And Hammer OnlyVariable-Speed Reversing Trigger For Accurate Bit Starting As Well As Removing Fasteners Or Bound BitsRotating Brush Plate Delivers Extended Brush Life And Provides Equal Power In Forward And ReverseWorks With Bosch Pro+Guard Dust Solutions, An End-To-End Dust-Collection System Than Helps Users Move Towards OOSHA Silica Table 1 Dust ComplianceIncludes Tool, Auxiliary Handle, Depth Gauge And Carrying Case