The nikon wr t10 wireless remote transmitter is designed to work with the wr r10 wireless remote controller transceiver to wirelessly control the shutter release on nikon d slrs the wr t10wr r10 units use radio frequencies to communicate by pairing together a wr t10 and one or more wr r10 units the nikon wr t10 wireless remote transmitter enables you to control key camera functions from a distance even if there are objects between yourself and the camera compatible with specific nikon d