The BOSCH GBH18V-34CQB24 18V 1-1/4" SDS-plus Bulldog Hammer kit includes two 8Ah lithium-ion batteries, making it convenient for extended use on projects. With a powerful 18V motor and brushless design, this rotary hammer drill offers a speed of 360 RPM, perfect for various tasks in home and garden projects. The blue color and professional-grade design of the Bosch PROFACTOR model ensure durability and efficiency, making it a reliable tool for any DIY enthusiast or professional contractor.