The HR005G is a cordless 40mm rotary hammer which is powered by a Makita 40v Max XGT Li-Ion battery. Features & Benefits2 mode operation: Rotation with hammering / Hammering onlyActive Feedback Sensing Tech shuts down the tool if the rotation speed suddenly slows downAnti vibration housing and AVT for reduced operator fatigueAuto Start Wireless System connects to compatible dust extractors with BluetoothBrushless motorConstant speed controlElectric brakeLED job lightSoft no load function reduces the motor speed during idling to suppress vibration of machineSoft startThe dust extractor automatically runs while the switch is onTorque limiterVariable speed SpecificationsBattery Voltage: 40vBattery Type: Lithium-ionBlows per Minute: 1,450-2,900bpmImpact Energy: 8.0JMax. in Concrete (TCT Bit): 40mmMax. in Concrete (TCT Core): 105mmNo Load Speed: 250-500rpmNoise K Factor: 3dB(A)Noise Sound Power: 102dB(A)Noise Sound Pressur