It is designed for sanding walls and ceilings made of drywall or plaster in any position. Drywall Sander 230V/50Hz; 1220WNo load speed:1500-2300 rpm Air Flow Volume: 4.0 M3/minGrinding Pad Diameter:215mmSandpaper Diameter:225mm Weight: 2.8kg-soft grip on the handle for comfortable use -extract the dusts by itself, no vacuum is needed-can suck to the wall, saving energy during operation-sanding ...