The DEWALT DCF921 20V 1/2" Impact Wrench is a powerful cordless tool with a high torque output of 406Nm and 2500RPM, making it ideal for a variety of applications. Featuring Lithium-Ion battery technology and a compact design, this impact wrench is easy to use and transport. With a brushless motor and 5 Ah battery capacity, it delivers consistent performance. The product does not come with a battery included, but it does come with one included in the set. This DEWALT impact wrench is a reliable and efficient tool for fastening and loosening tasks in various settings.