The Arctic Butterfly® 724 Sensor Brush is the only way to go when it comes to 'dry' cleaning your digital sensor. In just minutes you can safely go from shooting pictures with 'sun spots' to crystal clear images. With its ease of use and excellent quality results, it will soon be a wonder how you ever lived without it. The Arctic Butterfly® 724 Sensor Brush comes with a sleek case and carrying pouch. Requires two AAA batteries (not included due to shipping constraint).