The olympus fl 600r wireless flash is the first olympus flash system ever to feature a built in led the led is designed to provide you with additional illumination to help you capture the shot you want as well as provide visibility when shooting in dark conditions the fl 600r also includes a wireless functionality enabling up to four channels and groups at long range in commander mode for a softer more diffused light this versatile flashgun can be adjusted to a bounce angle of up to 90 deg