【600-900W BRUSHLESS COPPER MOTOR + 6-SPEED ADJUSTMENT】Electric concrete trowel is powered by a brushless pure copper motor (600-900W), delivering consistent and robust power for intensive plastering, rendering, and wall smoothing tasks not overheating. Equipped with an simple to manipulate start switch, it allows effortless adjustment of polishing speed (40-300r/min) to match different wall materials 【DUAL 13000/22500MAH POWER SUPPLY + 130CM STAINLESS STEEL EXTENSION POLE】Cordless concrete polishing machine comes with two high-capacity 3000/22500mAh power supply, ensuring extended runtime for continuous work. The stainless steel pole extends the total length to 130cm, enhancing reach for effortless sanding and finishing of high walls or large areas 【46CM CAST IRON CROSS-AXIS BLADE + ADJUSTABLE ANGLE】Concrete wall rendering machine features a 46cm high-strength cross-axis blade forged from solid thickened cast iron, ensuring stable manipulate with precise blade fixation. The blade adopts a rotatable design—its angle can be adjusted via screws for easy grinding. A protective cover is also included, guaranteeing safe use 【ONE-TOUCH LOCK SWITCH + MULTI-TYPE GRINDING DISCS】As a ergonomics handheld floor wall sander, it is equipped with a one-touch lock switch, allowing long-term manipulate not holding the switch continuously. It comes with sponge discs for fine sanding, hard discs for coarse sanding, and sandpaper for putty, greatly improving work efficiency 【SMOOTHING + MIXING : APPLICABLE TO MULTIPLE SCENARIOS】Wall smoothing polisher is versatile; It not only polishes and smooths concrete faces but also mixes concrete, mortar, paint, grout, mud, and plaster when paired with the included mixing rod. It is widely suitable for homes, decoration industries, construction sites, and other scenarios