The DBO382Z is a cordless Finishing Sander, with a 2.0mm orbit diameter, powered by 18V Li-ion LXT slide type battery (not included), to supply energy to the powerful 18V brushless motor, with 3 speed electric speed control for high, medium & low speeds & constant speed control, to deliver up to 12, 000/8, 000/4, 000 orbits per minute & 4, 000/16, 000/8, 000 sanding strokes per minute for faster sanding. The DBO382Z is equipped with detachable front grip without tools for convenient corner sanding, tool-less hook & loop clamp type paper fastening system & built in dust extraction system. DBO382Z accepts abrasive paper 93 x 228mm & has a 93 x 185mm pad. The run time using a fully charged BL1860B battery (not included) is up to 50 minutes. The DBO382Z is not compatible with G-Series batteries.