The Makita HR006G XGT Twin 40v Max Brushless Cordless Demolition Hammer is an SDS-MAX 52mm (2") cordless rotary hammer powered by two 40Vmax XGT Li-Ion batteries in series. The tool includes a handy AFT feature, which shuts down the tool if the rotation speed suddenly slows down as well as, the AWS feature which connects to compatible dust extractors with Bluetooth so the dust extractor automatically runs while the switch is on. The tools "soft no load" function automatically reduces the motor speed during idling to suppress the vibration of the of the machine body. In addition to this, the variable speed control dial and detachable auxiliary handle makes for top control throughout use. Features & BenefitsAuto-Start Wireless SystemBrushless motorVariable speedElectric brakeSoft startConstant speed controlTorque limiterLED job lightSoft no load2-mode operation: Rotation with hammering / Hammering onlyActive Feedback Sensing TechnologyAnti-vibration ho