The DEWALT DCH481 FlexVolt XR Brushless SDS-Max Hammer produces a performance that rivals corded machines, the brushless motor provides extreme runtime and reduced maintenance. Rotation stop mode for chiselling and impact stop mode for rotary only drilling with dry diamond cores. Ideal for drilling anchors and fixing holes into concrete, brick and masonry up to 40mm in diameter. For increased safety, the anti rotation system detects a loss of tool control, and reacts by instantly cutting the power. It has a compact, lightweight and ergonomic design for improved comfort and support during extended operating periods. Fitted with a bight white LED, with a delay feature for improved visibility. DCH481X2: 2 x 18/54 Volt 9.0/3.0Ah Li-Ion Batteries.DCH481N: Bare Unit, No Battery or Charger. Specification Modes: Rotary Only, SDS Hammer, Chisel Only. No Load Speed: 540/min.Impact Rate: 0-3,150/min with 6.1 Joules.Capacity: Concrete: 40mm.Weight 5.4kg.The DEWALT DCH481X2 FlexVolt XR Brushless SDS-Max Hammer is supplied with: 2 x 18/54 Volt 9.0/3.0Ah Li-Ion Batteries1 x Multi-Position Side Handle1 x Multi Voltage Charger1 x Heavy-Duty Kitbox DEWALT FlexVolt XR batteries stand at the forefront of cordless technology. They are the worldâ€s first convertible 18/54 Volt batteries, offering unprecedented levels of power. Provides the unique ability to power heavy-duty construction power tools whilst still being compatible with existing DEWALT XR 18 Volt products and offering increased runtime. DCH481X2 FlexVolt XR Brushless SDS-Max Hammer 54 Volt 2 x 9.0/3.0Ah Li-Ion