The Flashpoint Zoom R2 Flash represents a significant new version breakthrough in speedlight power technology with the introduction of full R2 Remote connectivity and interaction with all strobe functions. From standard power levels to complete manual control connectivity with other R2 family of flashes, group control, Slave and Master options, and advanced flash functions, the Zoom flash takes you as far as you want to go. 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, with powerful signal strength and exceptional stability to your selected camera flash language. LED panels clearly display the status of all remote 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. While R2 is a total remote system with TTL, this flash is a designed for Manual only operation. The key component that makes this new flash stand apart from others is the proprietary TTL and HSS enabled 2.4GHz R2 Radio Remote System radio triggers transmits atop a camera body with the essential TTL pass-through and laser AF assist and works with the complete family of Flas