High-speed continuous shooting function, 0.6 seconds recharge time. With cycle times of less than 0.6 seconds, professionals are provided with the speed they need for continuous shooting. Quick battery exchange. A battery magazine system allows for rapid battery replacement. The battery magazine can be inserted in any orientation - fast and straightforward. It holds eight AA batteries (operation with four AA batteries is possible). The external battery adapter for the flash unit is prioritized during use to minimize the strain on the internal batteries of the HVL-F60RM flash unit. More than 660 flash triggers in a row. With fully charged batteries, the flash can be triggered 660 times in succession, making the device suitable for even the most demanding professional applications. Professional reliability. Due to its enhanced reliability, the device is also suitable for professional use. For example, the cable strain relief is designed for maximum durability. Seals at the housing joints and a rubber cover on the magazine minimize the risk of dust or moisture ingress. Features: - Power supply: 8 AA or Ni-MH batteries - Weight: 249 g - Dimensions: 77 x 174 x 23 mm - Compatible with Sony HVL-F60RM. Complete resistance to dust and splashes is not guaranteed.