FOLLOW FOCUS ARRI WCU-4 

3 AXIS WIRELESS HAND UNIT INTEGRATED LENS DATA DISPLAY, WORK WITH ALEXA MINI, ALEXA PLUS,ALEXA SXT W, ALEXA LF, ALEXA MINI LF AND UMC-4, SMC-1,EMC-1,AMC-1 MOTOR CONTROLLERS AND C-FORCE MINI RF.

SET INCLUDES HAND UNIT,HAND STRAP, LANYARD.