Impulse switch relay with 2 channels, 1 NO potential-free 16A/250V AC, 230V LED lamps up to 400W, light bulbs 2000W. With light scene control via PC or with radio buttons. Encrypted radio, bi-directional radio and repeater function can be connected. Standby loss of only 0.8 watt. Installed in the 230 V mains connection cable, e.g. in intermediate ceilings and lamps. 166mm long, 46mm wide and 31mm high. With cable strain relief. The switching status is maintained with supply voltage failure. A defined cut-off is performed when the supply voltage is restored. The channels can be taught in independently as ES and/or ER channels. Scene control: With one of the four control signals of a button with dual rocker programmed as scene button several channels of one or more FSR71-2x can be switched on or off at one scene. Central commands on the PC are sent using the GFVS building radio visualization and control software. To do this, program one or more FSR71-2x on the PC. The buttons are taught