Capacity: 42 Liter Dimension: 12.75in. L x 12.25in. W x 30.38in. H Removable top cover for easy cleaning Fits any 13 gallon trash bag Comes with Garbage Bag Retainer Ring Uses 4 D-sized batteries (not included) Battery Life: Up to 12 months Optional AC Power Adapter available Material: Stainless steel Finish: Brushed silver 1 Year Limited Warranty This 42 Liter Touchless Trashcan NX model uses latest sensor technology. As your hand or debris enter the zone 6 inches from the infrared sensor on top of the trash can, the lid will automatically open. The lid will remain open if debris or hand is within the 6 inch range of the infrared sensor. 3 seconds after your hand moves away from the lid it closes automatically. At top front of the lid there are open and close buttons for manual operation, and there is a on/off power switch on the back of the trash can. This 2nd generation automatic trash can improves sensor sensitivity to prevent accidental opening, and a mechanically superior lid opening mechanism for longer lasting, more durable operation. Fits any regular 13 gallon trash bag. Comes with bag retainer ring to secure and hide the trash bag inside the trash can. Optional AC power adapter is available. The Benefits: This 100% touch-free trash can creates a germ free, odor free, automated environment. It keeps your hands clean while you are cooking or playing with your children. It also helps prevent contamination, which reduces the threat of certain illnesses and infections. Because the trash can turns an ordinary chore into something fun, your kids will have enjoy throwing the trash away for you. In addition, the Touchless Trashcan could outlast most step-on and hand-touch cans since if you don't touch it, you can't break it! This could actually be the last trash can you ever buy, which will save you money, mess, and time.