The Makita Cordless DHR280 is a powerful rotary hammer drill which features a 36v brushless motor powered by 2 x 18v lithium-ion batteries. Brushless motors are more efficient than a brushed motor meaning more run time per battery charge and no maintenance and less heat produced making them more suitable for prolonged use. The DHR280 is a 3-mode machine with rotary hammer for drilling concrete up to 28mm, rotary only for drilling wood, plastic and steel and hammer only mode for chiselling. Features & Benefits3x Operating modesAnti Vibration TechnologyBrushless notorConstant speed controlElectric brakeForward / Reverse rotationLED job lightPowered by two 18v Lithium Ion batteriesSoft no load function automatically reduces the motor speed during idlingTorque limiterVariable speed control SpecificationsBattery Voltage: 36v (18v x2)Battery Type: Lithium-ionBlows per Minute: 0-5,000bpmImpact Energy: 2.8 JMax. in Concrete (Diamond Core): 65mm