This drywall sander is a good helper for sanding walls and ceilings. With automatic vacuum system this sanding machine can provide a dust-free work environment even without a vacuum cleaner. 750W high-power motor with 6-level variable speed provides efficient and dynamic power for sanding drywall ceilings interior or exterior walls. 9" diameter sanding head can swivel in all directions to to reduce the bending of arm and shoulder. At the same time The sander is designed with LED lights to adapt to the dim place. With help of this drywall sander you can reduce the time from cleaning. --750W powerful motor to provide efficient power --6-level variable speed to operate from 900 to 1800rpm --Automatic vacuum system with dust bag and hose to offer dust-free workplace --Heavy-duty construction to ensure sturdiness and durability --LED lights around bottom plate for allowing dark work --Comes with 6 round sandpapers --User-friendly handle for comfortable grip --Extension pipe for sanding ceilings or high place --360 swiveling head to reach any corner and angle easily --A circle of brushes to sweep dust effectively --Removable chassis edge for grinding the corners --Self-corrected horizontal deviation for sanding smoothly --Equipped with UL approved plug for safe use