HIKOKI battery hammer -18 volt - speeds - lithium-ion battery. 0-1050 rev / min. 3 joules. 18DBL-DH Impact energy 2.6J (Joules) Drilling capacity in concrete 26mm Fastest drilling speed in its class Longest run time in its class HiKOKI's efficient brushless motor works approx. 50% more than our conventional brushed DC motor per battery charge Reactive Force Control (RFC) system reduces risk of injury from tool overload Constant speed control Over current protection 3 mode action: rotary drilling, hammer drilling or chiselling Built-in LED light Remaining battery indicator