This Cullmann C20 electronic flash unit is a versatile addition to any photographer's equipment. With a guide number of 20 at 100 ISO, this shoe mount flash is compatible with most DSLRs, digital cameras, and film cameras. Made in Germany, it features a fluorescent light type and a 5 second / 400 feature. Included in the box are instructions for easy setup and use. This unit is perfect for any photography enthusiast looking to expand their skills and add some extra flare to their shots. Please see all photos for part of the description. Thanks for looking.