The Godox TT685II Sony Control Board with LCD is a versatile flash unit specifically designed for Sony camera systems. This advanced flash unit features a comprehensive control interface with a clear LCD display for precise setting adjustments. With a guide number of 60 at ISO 100 and 200 mm zoom position, it provides reliable illumination for various photographic applications. The unit supports TTL automatic flash, manual mode, and multi-flash operation with adjustable power from 1/1 to 1/256. It has a built-in 2.4 GHz wireless system compatible with the Godox X System, allowing for remote triggering and control of multiple flash units. The flash head rotates 330 degrees horizontally and 90 degrees vertically for flexible light positioning. The zoom range extends from 20 mm to 200 mm with automatic and manual zoom control. The unit is powered by four AA batteries and includes a built-in LED modeling light. With a recycle time of approximately 0.1 to 2.5 seconds and a flash duration of 1/300 to 1/20000 seconds, it enables quick shooting sequences. The compact design measures about 78 mm in width, 139 mm in height, and 117 mm in depth, weighing approximately 420 g without batteries. Features include a standard hot shoe mount, PC sync port, and 3.5 mm jack for external triggering options. The flash supports high-speed sync up to 1/8000 seconds and has a strobe flash mode with adjustable frequency and flash count. The backlit LCD display provides clear visibility of all settings, including power level, zoom position, and wireless channel information. This flash unit is designed for professional studio work and location photography, offering reliable performance and extensive control options for demanding photographic environments.