This 13 Gal. Stainless steel is designed and engineered by Nine Stars, the world's first legal patent holder. With its designed shape, it will be a good fit in the kitchen, pantry room, living room, bedroom, dorm room or children's room. This durable trashcan uses the most advance sensor technology can be found in all Nine Stars trashcans. As your hand or debris within ten inches and 130 degree angle from the infrared sensor, the lid will automatically open. The lid will remain open if debris or hand remains within the range of the infrared sensor. Three seconds after your hand moves away from the lid, it closes automatically. Power lasts up to 6 months in normal daily usage. Required C-size batteries (not included). includes a garbage bag ring to keep the bag hidden from public view for a neat and clean appearance.