The Dot Line DV112A LED light with variable light output has the additional clean, white light (5600deg.K) that many DSLR photographers are looking for as well as the ability to adjust the light output. The 112 LED's give wonderful light helping to eliminate unwanted shadows on people's faces and dark eye sockets, brightening up pictures for a very natural look. The variable light output allows the photographer to select full, 3/4, 1/2 or 1/4 power for just the right amount of fill light for the situation. The rectangular design assures proper coverage of the HD video.Multiple units may be attached together horizontally or vertically for added light. Included is a shoe mount with female 1/4-20 thread (for light stands or tripods) for standard accessory shoes found on most DSLR's and a Sony style shoe mount adapter. Powered by 5 "AA" alkaline batteries (not included) which give a run time of about 1-1/2 hours. Included is a mounting bracket for cameras that do not have a shoe.