Nissin i 60A Flashgun for Sony The 2.4 G Hz wireless i 60A is designed for TTL, & is fully compatible with the Nissin Air System. The zoom range can be adjusted automatically or manually from 24-200mm & the unit comes complete with a built-in diffusor that gives 16mm lens coverage. A soft box is included to soften light output & reduce shadows. The inbuilt bounce card can also be extended or retracted while the soft box is in place. The i 60A has a 9-level LED video light function, with a running time of up to 3.5 hours. It operates on 4 AA batteries (not included) & can be connected to an external power source (not included) to reduce flash cycle time during constant high power output.