Sunpak Auto 114 compact fixed head flash with single pin hot shoe connection, film speed range from ISO 25-800, you have one auto setting which automatically regulates the power via a sensor on the front of the flash up to 12 feet distance as well as full power manual setting for up to 16 feet distance, runs on two 'AA' batteries, checked and tested in full working order.

Ref Non Dedicated Flash S542 (1)