1. [Powerful Motor]This electric hammer drill is equipped with a powerful brushless motor, which is more resistant to high temperatures and will not burn out even if it works for a long time. The electric hammer can reach an impact speed of 0-1100r/min and an impact rate of 0-4000r/min, which can improve the drilling efficiency of concrete, masonry, metal and wood. 2. [3 Functions Setting]This electric hammer provides three functions: hammering, drilling, and chiseling. The hammer function is suitable for concrete and bricks, the drill function is suitable for wood, plastic or metal, and the chisel function adapts to various work intensity requirements and can be used according to your work needs. 3. [Efficient Drilling Capacity]SDS coupled with high-strength chuck allows you to easily and safely replace the drill bit and prevent the drill bit from falling. 360° rotating handle easily meets various work needs. Aluminum alloy housing provides greater durability and strength. The maximum drill bit diameter is 28mm for concrete, 13mm for steel and 30mm for wood 4. [Ergonomic design]The electric hammer has a hand-friendly body and its ergonomic design enhances your use experience, providing more precise drilling or chiseling effects. Colour:As Shown Material:Plastic + Metal Note: Compatible for 18V B series lithium battery,such as BL1850B(197285-8),BL1840B(197270-1),BL1830B(197602-2),BL1430B(197618-7),BL1820B(197487-6) Compatible for BL1850,BL1840,BL1440(196391-6),BL1415(194560-3),BL1815N(196781-3) NOT compatible for G Series battery such as BL1813G(196663-9) BL1413G(196882-7) BL1415G BL1430G BL1815G and so on NOT compatible for 18v Ni-CD battery such as 1822(194465-7) Package Contents: 1 * Rotary Hammer kit(No Battery)