FAAC 787456 – XT4 433 RC Four-channel remote control, black
XT4 868 SLH LR [787456] – 4-channel self-learning remote control working at a 433,92 MHz frequency, with a rolling code, black color.
RC = ROLLING code: the code varies whenever the transmitter is used. An algorithm recognizes and confirms the signal, only that of the transmitters coded by the receiver.
