Commodity Description ★ house dust discovery sensor loading. Locate and inform the house dust which is not visible to the eye of about 20μm. ● Since the glowing blue and about senses until 20μm of house dust and glowing notice! Garbage is no longer red looks beautiful! "Paper pack type" in adoption, to reduce the soaring of garbage at the time of discarded trash. ● Adopt "paper pack type" to the futon vacuum cleaner. To clean and easy you can use to clean up when the trash.