1. Tracked/Wheeled Square Cleaner: Uses tracks or four-wheel drive for straight/bow-shaped movement, offering good edge and corner contact, suitable for cleaning large areas of flat glass and right-angled window frames.
2. Dual/Single Disc Rotary Cleaner: Simulates human hand-washing (twisting/spinning) through high-speed disc rotation, offering high flexibility and excelling at cleaning narrow windows, irregularly shaped windows, and interior mirrors, but has physical blind spots at the four corners.
3. Roller Brush Type: Innovative dual roller brush structure, combining wiping and crevice cleaning functions, optimized for scenarios with heavy dust accumulation.