Voltage: 120V ACAmperage: 14.0ANo Load BPM: 900 - 1,890Chuck Style: SDS-MAXTool Free Bit Changes With Automatic Bit Locking And Maximum Impact-Energy Transfer RateVario-Lock Positioning Optimizes Work Angles For The Best Chiseling Location360 Degrees Auxiliary Handle Offers Operator Comfort Due To A Wide Range Of PositioningConstant Response Circuitry Provides Soft Start And Maintains Constant Speed Under Load And Provides Overload ProtectionAuto-Max Variable-Speed Dial Ensures Maximum Speed And Power Every Time The Tool Is Plugged InService Minder Brush System Eliminates Guesswork , Stops Tool When Preventative Maintenance Is RequiredPower Light To Ensure Operator That Power Feed Is Live To ToolPadded Rear Handle For Additional ComfortIncludes Tool And Carrying Case