The smart cordless polisher 12.0 V, rotary and random orbital free-running. No-load speed (rpm): 400-2000/-3000/-4000/-5800/min. Brushless: Yes Max. polishing pad diameter (inch): 3.15 Orbit (inch): 0.12 + 0.47 Orbit rate, no load (opm): 800-4000/-6000/-8000/-11600 Tool weight (pound): 1.39 Tool Height (inch): 3.74; Tool length (inch): 10.43; Tool width (inch): 2.56