Rotary Hammer Drill Only:Compatible with Makita 18V Battery such as BL1860B,BL1850B, BL1840B, BL1830B, BL1820B(Not Include)... Multifunctional:Our sds hammer drill has 2 Functions to meet the various needs of users:Hammer drill (hammering and rotation), and drill only (rotation only) .Compared with single function switch design, the double function switch design can extend service life. Hammer Drill for Concrete:Brushless copper core motor, powerful, high temperature resistant pure copper wire. The speed is accurate and the noise is small. Powerful Electric Hammer Drill:Body weight only 4.24 pounds, especially for overhead or downward drilling applications. Powerful 800 Watts motor delivers 1200 RPM and 4500 IPM, 2 Joules of impact energy for fast drilling in concrete, brick, wood, metal,masonry, wall and other hard materials. 2 FUNCTIONS IN 1 KNOB:Two function modes can be selected by just turning the dial at ease: Drilling(work on steel, wood, etc), Hammer Drilling(heavy duty work on concrete, brick, etc), The Quick switching of function modes provides greater productivity. Cordless Convenience:Say goodbye to messy cords dragging on the ground, making your work area cleaner and more efficient. No need to search for sockets or be limited by the environment. Universal SDS PLUS Shank:The SDS Plus shank is designed for use with rotary hammers allowing for quick tool changes and secure tool-holding. Experience improved ergonomics, reduced fatigue, and superior drilling speed. Cordless Rotary Hammer Drill for Makita 18V Battery, SDS-Plus 2 in 1 Multi-functional Heavy Duty hammer drill, Safety Clutch, Drill Chuck, for Concrete, Tile, Wall, Stones and Cement