This tool is designed for sanding walls and ceilings made of drywall or plaster in any position! Built-in extensions to change the length of the tool from 3.6 ft. to 5.4 ft. long The tool can be folded in half to reduce the length of the tool to fit into a carrying bag (include) Center holes and edge vacuum locations provide a large area of dust collection. The tool provides an easy hook-up with a standard vacuum hose to ensure a dust free working environment Specifications Model BNR1837 Category Drywall Sander Power 5A / 600W Voltage 120V/60Hz No Load Speed 600-1500 rpm Length (base tool / with extension) 43.3"/43.3"-65" (110cm/110cm-165cm) Sanding Motion Rotation Sanding Pads (dia.) 8.86 in (225mm) SDR9 series sanding pads Abrasives (dia.) 8.86 in (225mm) Connection for dust Extraction (dia.) 1.38" & 1.85" (35mm & 47mm) Weight (without extension/with extension) 7.06lbs./7.7lbs. (3.2kg/3.5kg) Halo Light Controlled by an on off switch on the head. Certification ETL (US and Canada)