Enables superb close-up lighting control with exceptional flexibility and innovative options For use with use with Nikon i-TTL SLRs without built-in Speedlights including D2X, D2HS, D2H and F6. Included SU-800 Wireless Speedlight Commander provides additional functionality with SB-800 and SB-600 Speedlights. Wireless control convenience Producing desired close-up lighting effects is straightforward and uncomplicated Features and includes two SB-R200 Speedlights and the SU-800 Wireless Speedlight Commander Up to three remote Groups and four Channels consisting of two SB-R200 Wireless Remote Speedlights can be arranged to enable creative lighting from the left, right, above or below the subject Settings are easily confirmed on the SU-800 Wireless Speedlight Commander's LCD panel SB-R200 Wireless Remote Speedlights can be tilted up to 60 degrees to accommodate lenses with short working distances Flash compensation or Flash ratio control for desired lighting effects SX-1 Master Attachment Ring accommodates up to eight SB-R200 Speedlights (off camera), up to four (on camera) SB-800 and/or SB-600 Speedlights can be combined and controlled for additional creative lighting effects Auto FP High-Speed Sync available (with compatible cameras)