DALI IR presence detector home electronics polar white, matt. DALI IR presence detector, for lighting control in commercial buildings and residential houses, by detecting moving people, with spring clips for installation in hollow walls or suspended ceilings, basic setting directly on the already installed device without dismantling possible or optionally via the IR configuration handheld transmitter for presence detectors, selection of different operating modes, such as semi-automatic/automatic/learning/day/corridor/office/test mode, setting of two modes in the event of a power failure, as well as active/passive switching to activate or deactivate the light threshold in the respective detection cell and 3 dimming modes. On/off switching, dimming up and down via button or using optional IR hand-held transmitter for presence detectors possible with additional function of 2 lighting scenes, integrated DALI/DSI output (broadcast) for switching/controlling 24 DALI/DSI ECGs, with red and green acknowledgement/reception LED, with screw terminals.