Sunpak Digital Camera Flash Adapter Designed to allow use of an existing shoe mount flash with most digital and film cameras Extends cameras flash capability Take pictures at greater distances than is possible with a regular built in flash Fits any camera having a 1/4 x 20 tripod socket Powered by four alkaline AA or Sunpak Ni-MH batteries; power-saving circuitry turns unit off after 30 minutes of inactivity