WR R11a Wireless Remote Control with WR T10 TransmitterCan be mounted to cameras equipped with a 10-pin terminal.Not only can you control one to one remote, but also you can attach the WR R11a to multiple cameras for multi-controls.You can control the output of the speedlight by radio waves (radio control AWL).You can also set the SB 5000 luminescence mode and the amount of light with the camera.When connecting multiple devices, you can separate channels and switch channels to control different devices.