The Vivitar 2800 automatic electronic flash has a four-position head that gives your pictures soft, even lighting. The auto Thyristor circuitry has a fast recycle time that gives you up to 1,500 flashes per set of batteries. Its auto light exposure has a range of 3 to 40 feet, and its unique control panel is easy to use. The sufficient-light indicator lets you know if your subject has the proper lighting. It has two automatic exposure settings and accepts Vivitar PC cords. This flash requires four AA batteries, which aren't included.