DESC: Use the C-7AU 110V/120V AC Adapter to conserve batteries when downloading to your computer, for extended work in a studio, during printing, or while viewing images while connected to your TV or VCR. It is compatible with all of Olympus's Filmless Digital Cameras using 4-AA batteries.Perfect for when you need continuous power, the AC adapter saves battery life while you download pictures to your PC or take photos indoors.