The Remote Control Unit RCU-4 is a compact accessory that allows complete remote control of ALEXA Classic, ALEXA Classic with XR Module upgrade, ALEXA XT, ALEXA SXT and ALEXA LF cameras. Includes: 1x Remote Control Unit RCU-4 1x RCU-4 flexible protective cover K2.72040.0 1x ALEXA Ethernet Remote Cable (2.00m/6.6ft) KC 157-S Not included: ARRI Shoulder Strap (K2.72045.0).