The complete package: with this set the WRC-2 can be used as both a transmitter to control camera functions and a receiver to display Lens Data System information.
Includes:
K2.65192.0 - Wireless Remote Control Unit (WRC-2)
K2.65129.0 - WRC-2 Control Knob Unit
K2.65178.0 - WRC-2 Camera Software Key
K2.65179.0 - WRC-2 LDD Software Key