KNX radio wall transmitter 1-way flat quicklink K.1 polar white, glossy. KNX radio wall transmitter 1-way flat quicklink for the radio remote control assigned KNX radio receiver. Flat surface-mounted installation and combination extension with a lithium button battery 3 V type CR 2430. Integration via KNX radio media coupler AP into the KNX-TP system. Tool-free quicklink configuration via buttons and LED display, upper and lower control surfaces freely configurable, control surfaces can be configured as one or two-surface operation, with transmission status and battery status LED red/green/orange, with configuration LED, reset function (to factory setting). quicklink functions: switching, dimming, blinds, 2 scenes, timer, button normally open, memory. easy additional functions: +6 scenes, operating mode on/off, 1 button control up/down. ETS additional functions: +6 scenes, operating mode on/off, button, status display, dimming value.