The Sony HVL-F32M TTL External Flash HVLF32M is an auto / manual flash unit that is compatible with Sony's Multi-Interface shoe. It offers flexible lighting control and features a retractable 16mm wide-angle panel. The built-in bounce sheet can be used for shooting vertically without changing the angle of reflected light. Its high-speed synchronization mode helps deliver wide range of applications. Moreover, its wireless control and auto white balance compensation are some of the other outstanding features. Powered by 2 AA alkaline batteries, it offers a perfect flash for your camera. Resistant to both dust and moisture, it can be used in a range of versatile applications and environment.