FAST MATERIAL REMOVAL – At 12,000 opm (oscillations per minute), the random orbital sander quickly clears away materials like paint, stain, and varnish. COMPACT, EASY-TO-MANEUVER DESIGN – Compact and helps reduce muscle fatigue. HOOK-AND-LOOP SYSTEM – For convenient sandpaper changing. ON-BOARD DUST COLLECTION – Easy-empty dust bag keeps your work area cleaner and improves visibility of the work surface. 20V MAX* LITHIUM ION BATTERY – Holds a charge for up to 18 months. INCLUDES – (1) BDERO20 random orbit sander, (1) 20V MAX* 1.5Ah lithium ion battery, (1) charger, (2) 5 in. round sandpaper sheets.