The Minolta PROGRAM 5400 HS is a high-speed sync flash unit from Konica Minolta designed for professional photographers. Known for its reliable performance and consistent output, this flash unit allows for precise control over your lighting setups. With its high-speed sync capability, photographers can capture fast-moving subjects with clear and sharp detail. The Minolta Program 5400 HS is a popular choice among professionals looking to enhance their photography equipment with a dependable and efficient flash unit. The unit runs off of 4 AA Batteries and is complete with leather case and stand. The unit is in great shape and great working order.