8 Gallon Pet-Proof Sensor Trash Can with Wheels provides ultimate convenience while you also keep nosy dogs and cats out of the trash! This touchless automatic trash can features a patent-pending Pet Lock that prevents pets getting into the garbage and making a mess. And, 100% touchless and it's automatic! Just move your hand toward the lid and the infrared motion sensor will open the lid automatically. It is easy and hygienic! It is mobile! Four removable wheels on the bottom make it easy to move from room to room with ease! Powered by 4 D batteries (not included) or optional AC Adapter (sold separately).