10-channel twilight switch/light control device, for brightness-dependent control, DIN rail mounted device with transparent cover and quick fastening, width 3 TE (3 TE), up to 3 digital brightness sensors can be connected via 2-wire bus, convenient manual operation for end customers via 4 buttons for threshold and delay time input, the threshold values specified in plain text can be shown, called up and changed on the display, display lighting (can be switched off), 4 additional threshold channels for linking external KNX sensors (e.g. temperature), 6 logic channels, DuoFix spring plug terminals