4-relay RF receiver with built-in LCD display. Its programming is made very simple thanks to this screen, in the same way that you can use the PLUS memorization function to remotely register new commands using a master. You can also use an optional external memory (MEM-XPL reference) to back up your installation. Frequency: 433.92 MHz. Modulation: AM / ASK. Coding: Keelog Rolling Code. Operating temperatures: -20ºC to 70ºC. Dimensions: 105 x 45 x 28 mm. Feeding: 12/24 Vac / cc. Consumption: 25 - 90 mA (max).