The DeWALT DCD798D1 20V MAX 1/2" Brushless Cordless Li-Ion Hammer Drill Kit is a powerful and efficient tool designed for various drilling tasks. With a lithium-ion battery technology and a brushless motor, this hammer drill provides reliable performance. The kit includes one 2 Ah battery, making it convenient for extended use. The 1 1/2" chuck size and keyless chuck type ensure easy bit changes, while the compact design with dimensions of 12.1" in length, 9" in height, and 3.3" in width makes it easy to handle and maneuver in tight spaces. Ideal for home improvement and workshop projects, this DeWALT hammer drill is a versatile and reliable tool.