Home: Get a 3L black automatic sensor bin. Automatic: Sensors automatically open the lid when a hand is detected 15-20cm away. Powered by: Four AA batteries (not included). Options: Choose one, two or three bins. Versatile: Buy a bin for each room of the house, or even the office, as a handy and hygienic waste alternative. Size: 10.2cm x 17.2cm x 29.2cm. | 3L Black Automatic Sensor Bin | Wowcher