Equipped with 3 modes: You can freely switch between Rotation, Rotation, Strike, and Hitting depending on your application. Rotation: Drill Mode: When drilling in iron and wood, please set it to the switch lever. Please use iron work, carpentry clay, etc. Hammer Mode: For grinding or crushing, please set the switch lever. Please use the tools such as bullpoint etc. Rotation + Striking: Hammer Drill Mode: When drilling into stone, please set the switch and the striking lever. Please use a carbide drill Design Benefits: 1. Uses a highly durable brushless motor for increased work efficiency. The extra number of pieces is punctured for continuous work and maintenance free even after long periods of use. 2. The rechargeable design allows you to carry it anywhere and conveniently to work anywhere. 3. Equipped with 3 modes, it is perfect for drilling wood, metal, ceramic tiles, dismantling walls and ground, and various tasks 4,000 mAh Battery Included: Our AB1840B battery is a battery manufactured for AB original rechargeable tools and is equipped with a 4,000 mAh capacity high performance cell with a self-diagnostic function. Also, there is no need to worry about selling at low prices due to false display of the battery capacity on the side. Mrupoo Original Tools: AB-3011 Grinder, AB-4050 Hammer Drill, AB-S500 Impact Wrench, AB-BL600A Impact Wrench, AB-S700 Impact Wrench, AB-7011 Reciprocating Saw, AB-7021 Reciprocating Saw, AB-8010 Blower and More (If you have any questions about fitting tools, please contact seller. ) What's in the box 1 x Rechargeable hammer drill 1 x battery 1 x charger 1 x storage bag 1 x cold chisel 3 x drill 1 x point chisel 1 x Japanese instruction manual