The Olympus FL-700WR Electronic Flash is a wireless TTL-enabled strobe characterized by its weather-sealed design and 2.4 GHz radio control capabilities. The flash features a guide number of 137.8' at ISO 100, is fully compatible with the Olympus TTL system, and can function as a radio commander or receiver for wireless remote flash setups. The flash head's design permits up to 90° upward tilt and 180° rotation in both directions for full bounce flash control. The flash's design offers seamless operation via rear dials and an LCD screen, and it conveniently accepts four AA batteries as its power source. Flash mode switching is possible via wireless radio communication and automatic channel detection is possible when used as a commander. Supports Olympus TTL system for use with special camera functions, such as High Res Shot and Focus Stacking, as well as automatic exposure and high-speed sync. Flash head tilts upward to 90° and rotates left and right 180° for full bounce capabilities. Flash supports rapid continuous shooting up to 10 fps at 1/16 power for approximately 50 consecutive frames when used with the OM-D E-M1X or E-M1 Mark II cameras. Super FP flash sync, first curtain, second curtain, and slow sync modes are available. Recycle time of just 1.5 seconds with NiMH batteries or 2.5 seconds with alkaline batteries.