【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 20000/30000MAH POWER SUPPLY + 130CM STAINLESS STEEL EXTENSION POLE】Cordless concrete polishing machine comes with two high-capacity 20000/30000mAh 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. 【45CM CAST IRON CROSS-AXIS BLADE + ADJUSTABLE ANGLE】Concrete wall rendering machine features a 45cm 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. Additionally, it is equipped with an LED lighting module, allowing it to function normally even in dark environments. 【6 ADJUSTABLE SPEED】Wall Smoothing Polisher start switch, making it easy to operate, you can easily adjust the polishing speed to suit different wall materials and achieve the desired finish.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.