The R2 TTL Wireless Flash System is the advanced 2.4GHz radio remote that adds camera TTL dedicated custom functions to your multi-flash experience. Easy to use buttons command a full range of functions like reliable channel triggering, group mode selectivity, HSS, all with powerful signal strength and exceptional stability to your selected camera flash language. LED panels clearly display the status of all remotely linked R2 compliant strobes, so you always have control of group lighting mastery. R2 wireless communication gives speed of light response to on camera or off camera R2 Family devices for a spectacular advantage on the shoot in any environment. th Exposure Compensation and Lock, High-Speed Sync, and an automatically zooming flashhead from 24-105mm. The minuscule package matches impeccably upon the mirrorless perch compatible with Fujifilm.