Olympus FL-600R Wireless Flash It features a built-in LED light that can function as an AF illuminator for still images or as full-time auxiliary lighting for shooting movies. As a bounce flash, the FL-600R tilts upward to 90 degrees and downward to 7 degrees, and it can swivel side-to-side up to 180 degrees in each direction. A wide panel and catch light plate are built into the unit, so you won't misplace them when traveling. In wireless mode, the FL-600R has a built-in commander function to remotely fire other wireless flash units without firing itself, but it can also be used as a slave flash, 6 modes: TTL-AUTO, AUTO, Manual, FP TTL-Auto, FP Manual, RC