Expand the flexibility of your shoots with the WR-R11a Wireless Remote Controller. Get a handy shutter release in remote shooting. Obtain full control of your remote flash units from its support for radio controlled Advanced Wireless Lighting (AWL). The WR-R11a Wireless Remote Controller (transceiver) is designed to work with the WR-T10 Wireless Remote Controller (transmitter) to wirelessly control the shutter release on Nikon cameras. Easily release the shutters on multiple cameras if you attach a WR-R11a to each camera and pair with the WR-T10.