For switching electrical loads wirelessly. For moving and adjusting blinds/roller shutters and awnings wirelessly. Functions via radio: series switch, blind switch and light scene control. Functions via extension: series switch, blind switch and sending radio telegram. Operation via conventional buttons (2020 US, 2012/6 UK) possible. Pressing the extension (via conventional button) switches the output and sends a radio telegram. Pressing the extensions in the series switch function: Alternately sending an ON/OFF telegram. Pressing the extension in the blind switch function: Extension 1 sends an UP telegram and extension 2 sends a DOWN telegram. For Waveline 6731-xxx, 6732-xxx and 6733-xxx wall transmitters. For WaveLINE 6780 handheld transmitters. In the blind switch function: running time 3 min. Repeater function can be activated to increase the range. For universal installation or installation. 3-wire connection technology (neutral conductor required).