Double disc friction cycle alternately clean and transparent, imitating manual wiping, circular cleaning wheel imitating hand gestures, twice the effort with half the effort when wiping the glass Edge auto-sensing, when running to the edge of the glass, it stops advancing and folds back to continue working Intelligent turn identifies obstacles and adjusts the path in real time to prevent collision Precise route management with high cleaning coverage Suitable for flat glass, wall, table, floor, ceramic tile, marble, door, etc, Manufacturer: TRDEWR