Note: Requires an Update to Firmware Version 04 for use with Manual flashes and when connected with a Sync Cord.Please visit the Flashpoint Firmware Download page for the F1 tool and correct Firmware File. The Flashpoint R2R-S is the ultimate radio receiver for Sony mirrorless cameras that links with Sony speedlights without missing a shot and connects to all strobes with sync ports and hot shoes. The incredible range of these compact and lightweight units as well as their integrated functions and features make them the first choice of professional photographers. The proprietary TTL and HSS enabled 2.4GHz R2 Radio Remote System radio triggers transmits atop a Sony body with the essential TTL and laser AF assist and works with the complete family of Flashpoint R2 Speedlights, Monolights and Strobe lights with R2 TTL radio transceivers built in. All the R2 enabled family communicate seamlessly: the lithium powered Zoom Li-on speedlights, the Zoom M alkaline energized speedlight, the fantastic Streaklight 360 Nikon and Canon TTL powerhouse, the exceptionally fast Rapid600, the masterful 600ws XPLOR600 monolights and the newest R2 member, the hybrid eVOLV200 barebulb/speedlight pocket flash. Flashpoint Streaklights and speedlights with no R2 radio can be fired and controlled off camera while being attached to the R2 Bridge Radio Remote Receiver to grace r