Additional Features Lids open automatically when debris is within 5-inches of sensor Lids close automatically after 3 seconds Open and close buttons for manual operation Sensor on and off switch on back of trash can 2 inner plastic buckets with handles remove for easy cleaning Powered by 4 D size batteries (not included) or AC power adaptor Keep your recyclables organized and separated without ever getting your hands dirty with the iTouchless 2 Compartment Recycle Trashcan. This 16-gallon stainless steel bin features two 8-gallon compartments. Each side has an independent sensor that lifts when trash is within 5 inches. The lid will remain open if debris or your hand is within the 5 inch range of the infrared sensor. It will close automatically three seconds after the debris has been released and you move away