Wireless Remote Speedlight SB-R200, a portable wireless remote flash unit for Nikon Advanced Wireless Lighting system. The Wireless Remote Speedlight SB-R200 offers a guide number of 14/46 (ISO 200, m/ft.), and can be attached to the front of the lens via the Attachment Ring SX-1, held in the photographer’s hand, or freely positioned by using the Speedlight Stand AS-20, which is supplied with the SB-R200.