glass surface cleaning robot

HUTT Auto Window Cleaning Robot A1, Upgraded 4 Water Spray & 6000PA High Suction Power Window Cleaner with Laser Sensor Detection, Perfect for High-Rise Windows, Tiles and Glass Suction Power: 6000Pa for strong and steady cleaning Water Spray System: Upgraded 4 nozzles with 150ML water tank Cleaning Coverage: Up to 90㎡ per water tank…