SONY Flash HVL-F45RM

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Although the GN45 has a large amount of light, it is approximately 12% smaller in volume and 11% lighter in weight compared to our equivalent model (compared to F43M) Small size but high light output, maximum number of flashes approximately 210 times (when using 1/1 manual flash, using alkaline batteries) Multi-flash photography possible using radio wave wireless High operability and reliability for professional use Product weight: 317.0 grams