The corners don't hurt the edges, and the corners are bearing corners, which makes it safer when encountering window corners and won't damage the corners. Intelligent cleaning robot can simplify housework and free up your hands, practical for everyday use. Artificial wiping design with high speed and strong torque characteristics, makes wiping cleaner. Ultra-slim body design with exquisite workmanship, much more attractive. Suitable for flat glass, wall, table, floor, ceramic tile, marble, door, etc., Manufacturer: TRDEWR