Manage your entire Creative Lighting System of multiple flash through the large & easy to use LCD panel. Removes the need for cables & separate flash meters to enable accurate automatic exposures in any lighting conditions. The SU-800 can control of any number of i-TTL Creative Lighting system Speedlights like the SB-800 or SB-600, or the dedicated SB-R200 Remote Speedlight for Close-up photography, to deliver an entirely new dimension to your photography indoors or in the field.