Among the impact wrench's features you will find that it's brushless. The impact wrench runs on a rechargeable battery, so it's cordless.
From Amazon
DCF894P2-QW - Llave Impacto sin escobillas XR 18V 1/2"
Powertool World
DeWalt DCF894P2 18v High Torque XR Impact Wrench, 2x Batts & Charger in Tstak Case