*Powerful & Durable Motor: A 32Amp industrial motor with 4.5J impact energy is designed to complete heavy-duty concrete and metalworking projects quickly and precisely. It can reach 900prm no-load speed and 4300bpm max impact frequency. Heat-resistant copper wire motor allows you to work longer without burning the machine. The max drilling diameter is 1 inch/ 26mm. This high-performance rotary hammer drill helps increase your efficiency and improve your life. *High-power Battery & 4.0AH Fast Charger: The hammer drill for concrete provides 2 lithium-ion batteries and a fast charger. Two batteries ensure sufficient and stable power when working with protection functions (over-current, over-voltage, over-temperature, and charge/discharge protection). No cable trouble so that you can work more freely. And it takes 1.5 hours to charge fully. *Choose Between 3 Functions: Three function modes can be easily switched: drill only(suitable for wood and steel), hammer only(ideal for concrete and brick), and hammer drill function(proper for heavy-duty work). The cordless hammer drill has double switch buttons to change the functions, allowing it to last longer than a single switch button. Pound away at the ground and break through any challenges with ease! *Designed To Go Above And Beyond: 360 adjustable handle provides comfort, reduces fatigue, and increases control. The vibration control design effectively reduces injury during work. The SDS-Plus chuck allows easy and secure bit changes to keep your project going. Well-designed heat dissipation structure can extend the hammer's use life. So get ready to work confidently! *All In One Case: 's heavy-duty drill set includes 3pcs drill bits, 1pcs flat chisel, 1pcs point chisel, 1pcs grease,1pcs dust cover, 1pcs wrench, 1pcs portable carrying case, 2 pcs battery packs, and 1 charger. Add grease regularly for proper functioning and extended hammer drill life. The rotary hammer will make it an easy job, no matter, removing tiles or demolishing brickwork. And it is suitable for wood, masonry, concrete, brick, and metal. It is also ideal for professional or daily home users. ******************************************************************************************************* *Specifications Model: DS179 Chuck Size: SDS Plus Max Drilling Diameter: 1 inch/ 26 mm Current: 32A Impact Energy: 4.5J Batteries Type: Lithium-ion Charger Capacity: 4.0AH Maximum Revolution: 900 R/MIN Max Impact Rate: 4300 BPM Material: Aluminum+Nylon+Glass Fiber Voltage: DC20V Item Weight: 10 lbs/ 4.5 kg Item Size: 13.8 x 9.6 x 3.5 inch/ 35 x 24.5 x 9 cm Case Size: 17.3 x 4.7 x 13.2 inch/ 44 x 12 x 33.5 cm Color: Black & Orange ******************************************************************************************************* *Pakcage Content 1 x Hammer Drill 3 x Drill Bits 1 x Flat Chisel 1 x Point Chisel 1 x Grease 1 x Dust Cover 1 x Wrench 1 x Portable Carrying Case 2 x Battery Packs 1 x Charger