HANDS FREE OPENING: The lid automatically opens when approached or with a simple wave of the hand, closing after inactivity for touch free, hygienic waste disposal LARGE CAPACITY: The spacious 50L capacity is perfect for everyday household use, offering simple and efficient waste disposal BIN LINER RETAINER RING: Keeps the bin liner in position to prevent mess and makes it easier to replace BATTERY OPERATED: The sensor bin is easy to use and requires 4x AA batteries (not included) HARD-WEARING BODY: Features a stylish PP body which is easy to clean and provides long-lasting durability.