The M18 5-inch random orbit sander offers corded power with a maximum OPM output of 12,000. The 7,000-12,000 variable speed dial allows the user greater control over the tool's output to match the orbit speed to the application. The tool's powerful motor allows the user to remove more material per battery charge. The M18 random orbit sander powered by REDLITHUM battery technology offers up to 35 minutes of run time on a single 3.0 Ah M18 battery.