The ALEXA Remote License Key activates remote camera setup capabilities via WCU-4 for ALEXA Plus, ALEXA Plus 4:3, ALEXA XT Plus, ALEXA Studio, ALEXA XT Studio, ALEXA SXT, ALEXA SXT W , ALEXA 65 and ALEXA Mini cameras, as well as for AMIRA if combined with the Universal Motor Controller UMC-4.