The Vivitar 16A automatic electronic flash features a 3-to-15-foot automatic exposure range and a four-second recycle time between flashes. You can ex

The Vivitar 16A automatic electronic flash features a 3-to-15-foot automatic exposure range and a four-second recycle time between flashes. You can expect approximately 500 flashes per set of batteries. The flash takes four AA batteries (not included) and comes with a PC outlet and cord.