Unlike a fixed code format remote control system that transmits the exact same 3 channel and the all new 999 user RXCONDO-RC receivers, you now have the RXCONDO – RC DUAL. (999 User). Single Channel, multi-user, rolling code, receiver. Identification: Receiver: Casing -. Dark blue base and light blue top. Unlike a fixed code format remote control system that transmits the exact same 1 channel, 3 channel and the 999 user RXCONDO rolling code receivers.PROGRAMMING INSTRUCTIONS ttaakkee ccoonnttrrooll ooff yyoouurr wwoorrlldd. RX1 – RC. Single channel rolling code receiver. Identification: Receiver:. Lockable manual release. UV resistant cover. Injection-moulded high strength RX Condo - RC Dual. ET-Blu Mix Transmitters. Top access to cover screws.