This electric concrete trowel features a brushless pure copper motor with a power range of 600-900W, providing consistent power for effective plastering, rendering, and wall smoothing without overheating. The easy-to-use start switch allows for effortless speed adjustments (40-300r/min) to accommodate different wall materials. The cordless concrete polishing machine is equipped with two high-capacity power supplies, ensuring prolonged runtime for continuous projects. The stainless steel extension pole can extend to a total length of 130cm, facilitating easy access to high walls or large areas. Designed with a 45cm cross-axis blade made from solid thickened cast iron, this concrete wall rendering machine ensures stability and precise blade fixation. The rotatable blade angle is adjustable through screws, allowing for easy grinding, and a protective cover enhances safety during use. Service: We place great emphasis on our customers' shopping experience. If you have any questions, please feel free to contact us; we will respond to you within 24 hours! The wall smoothing polisher is suitable for various scenarios. It effectively polishes and smooths concrete surfaces and can also mix materials like concrete, mortar, paint, grout, mud, and plaster with the included mixing rod. Ideal for homes, renovation projects, construction sites, and more.