Wide Application: Use our versatile drywall sander to achieve smooth and polished surfaces - suitable for lime wall and putty wall. (For old popcorn ceilings, you must first use a handheld electric trowel polishing machine to smooth out the bumps, then use our drywall sander to sand it flat.) Powerful Brushless Motor: 800w brushless motor provides a powerful suction force, with a longer and more stable lifespan than ordinary motors. 1000-2300rpm stepless speed adjustment allows for easy sanding even on tougher surfaces such as wooden floors. All For Your Convenience: Weighing only 3.1KG, and greatly reducing labor intensity. 3:7 optimal weight distribution ratio effectively avoids imbalance. Lightweight and extendable pole allows for effortless sanding even in hard-to-reach areas. Double-layer LED strip provides full coverage lighting to ensure a clear view. Foldable electric sander for drywall is much easier to store and carry