This cordless Makita grinder with a brushless DC motor offers a high power to weight and size ratio. Its automatic torque drive technology (ADT) feature adjusts the torque and speed according to the load condition, enabling rapid movement between high speed and high-torque applications. Its extreme protection technology (XPT) offers maximum protection against dust, debris and liquids for optimal performance in extreme conditions. It generates less heat buildup and is ideal for prolonged use. The switch can be locked in ON position for ease of operator comfort during extended use. The LED charge level indicator displays approximate remaining battery power and an anti-restart feature prevents accidental start up of tool during battery changing when switch is locked in the ON position. It features a soft start that gradually increases speed to eliminate start up shock. This grinder features a battery protection system that provides overheat protection of the tool and overload protection of the battery for enhanced performance and overall battery life. The handle is of slim and ergonomic soft rubber grip design for vibration absorption and comfortable operation. 18 volts battery and charger sold separately.