Morris liberates creative potential with powerful, inexpensive miniature flash units that allow you to direct light exactly where you need it. Shoot with greater range, smaller f-stops and increased depth of field. Morris Slaves are triggered by any flash and deliver extra light for contrast control, backlighting and fill lighting. Ideal for interior photography! Their small size also makes them the ideal companion for compact point-and-shoot cameras, adding no extra bulk to your camera bag. Hide Morris Slaves anywhere in the picture. They offer endless possibilities for the imaginative photographer.PRODUCT FEATURES:Triggered by your camera or another flash;Eliminate unwanted shadows;Built-in test button;1/4-20 socket (tripod mount).