The DEWALT DCH273N is a powerful, cordless SDS-Plus rotary hammer designed for demanding drilling and chiseling tasks in concrete, masonry, and other hard materials. Powered by an 18V XR Li-ion battery, it offers maximum mobility and flexibility on construction sites or during renovations, eliminating the need for a power outlet. The SDS-Plus chuck allows for quick and easy bit changes, making the tool highly versatile. The rotary hammer features three operating modes: drilling, hammer drilling, and chiseling, allowing it to be optimally adapted to different tasks. The impact energy and speed are optimized for precise work in concrete and masonry, while the design ensures excellent control and stability. The robust housing is built to withstand the harsh conditions of construction sites. The ergonomic handle reduces fatigue during extended use and ensures secure handling, even under heavy load. The vibration-dampened design further enhances user comfort. The cordless design allows for flexible operation in locations without a power supply, with runtime depending on the battery capacity. For extended use, compatible DEWALT XR batteries can be quickly swapped, minimizing interruptions. One minor drawback is the weight, which can be noticeable during prolonged use, but this is mitigated by the ergonomic design and vibration damping. Overall, the tool demonstrates high performance, precision, and versatility for professional applications. The DEWALT DCH273N is a reliable, portable, and powerful rotary hammer, ideal for tradespeople who need a robust tool for a wide range of drilling and chiseling tasks.