Optional mini infrared remote control for the presence detectors of the series - PD2-M-DALI/DSI - PD4-M-DALI/DSI - PD4-M-DALI/DSI-K - PD9-M-DALI/DSI - PD9-M-DALI/DSI-GH - PD4-M-DUO-DALI The light can be switched on or off at any time with the simple press of a button. This means that there is no need to install an additional light switch.