The Nikon R1 Kit includes two SB-R200 Remote Speedlights and accessories to provide wirelessly controlled automated close-up and macro lighting, with TTL exposure calculation and synchronization carried out using infrared wireless communication between the camera’s metering system and the remote flash units. The kit includes adapters for front lighting, filters, and attachment rings for the most popular Nikkor lens filter screw threads. Additional SB-R200 units or other Nikon Speedlights can be added to enhance subject illumination. For use with Nikon cameras equipped with built-in flash and Commander function (D700, D300, D200, D90, D80, D70s, D70).