【2780W BRUSHLESS MOTOR + 6-SPEED CONTROL】Cordless drywall sander polisher features a 2780W pure copper brushless motor, delivering 19800rpm power and 6-speed control (0-300rpm) for tough concrete/drywall. Its 38cm star-shaped base ensures uniform pressure, and a 360° adjustable LED light illuminates shadowed corners—also a reliable cordless cement trowel for smooth finishing 【3 KIT OPTIONS + VERSATILE ACCESSORIES】As a rechargeable concrete finishing tool, it offers 3 kits: Kit 1 (standard: sander, 2x 10-cell power supply, charger, discs, screwdriver); Kit 2 (adds mixing rod); Kit 3 (adds 168cm/5.5ft extendable pole + mixing rod). The pole reduces strain for high/large-area work, while the mixing rod enhances material blending—perfect for diverse construction tasks 【4 INSTANT-SWAP DISCS + SELF-ADHESIVE BASE】Power supply plaster trowel supports instant disc swapping: hard discs (concrete compaction), iron plates (dense plastering), sponges (delicate finishes), sandpaper (putty polishing). The self-adhesive base ensures consistent pressure every time, making it a versatile tool for all finishing needs 【DUAL 4.0AH POWER SUPPLY + STABLE DUAL CONTROLLERS】Electric mortar grinder comes with twin 4.0Ah industrial power supply for long runtime, with safety tech to minimum overheating/overloading. Its steering-wheel grip enables smooth two-handed control, and vents keep it cool during marathon sessions 【MULTI-SCENE USE】Cordless cement trowel polishes concrete, mixes cement, mortar, paint, and more (with the mixing rod: optional accessories). For in homes, de coration industries, and construction sites, it doubles as a cordless drywall sander polisher, meeting all your sanding, finishing, and mixing needs