The Makita HM001G Brushless Cordless Demolition Hammer is a cordless demolition hammer powered by 40v Max XGT Li-Ion battery and developed as a cordless solution to the demand for 1,100W demolition hammer. The new XGT revolutionary technology ensures that battery and the tools' motor technology work together for optimum performance. 5-stage max speed selection by dial with variable control by trigger in each range. The "soft no load" function automatically reduces the motor speed during idling to suppress the vibration of the of the machine body to ensure top control throughout use. The tool includes an AWS feature which connects to compatible dust extractors with Bluetooth so the dust extractor automatically runs while the switch is on. Features & BenefitsSoft startAuto-Start Wireless SystemBrushlessConstant speed controlLED job lightSoft no loadAnti-vibration housing and AVT for reduced operator fatigue5-stage max speed selection by dial with variable control