Operation Theory: The Hygiene Toilet Seat Covers will automatically replace the used film roll to a new film cover, which can provide a new toilet seat for your every usage. This happens when the user put hand in front of the sensor device or when the stainless steal button is pressed by the user.
Just by pressing the wireless self power-generating button before usage, the roller will activate automatically to replace the sed seat film with fresh one to ensure a new toilet seat for your every usae, easier and convenient.