Our drywall sander is a good helper for sanding walls and ceilings. Featuring automatic vacuum system, this sanding machine can provide a dust-free workplace even without a vacuum cleaner. 750W high power copper motor with 6 variable speed helps you efficiently grind the wall. Don't worry about corners or high places. With its telescopic handle, this professional polishing machine can extend up to 5.7', allowing you to easily grind the ceiling even when standing on the ground. At the bottom of the sanding head, there is also a detachable edge. You can easily remove it to grind corners or perpendicular walls. Additionally, there is a lock button beside the switch. It will keep the sander running at the current speed at all time.FeaturesColor: Orange + Black Material: Aluminum + Nylon Net Weight: 12 lbs Rated Voltage: 110V Frequency: 60Hz Rated Power: 750W No-load Speed: 800-1750 RPM Sanding Pad Dimension: φ225mm/8.9'' Overall Dimension: 10'' (L) x 6.5'' (W) x (5-5.7)' (H) Package includes: 1 X Drywall Sander 12 X Sandpapers 2 X Carbon Brushes 4 X Gaskets 1 X Dust Extraction Hose 1 X Dust Collection Bag 1 X Allen Wrench 1 X Carrying Bag 1 X Instruction Manual