Analogue Twilight switch with integrated light sensor for wall mounting, Adjustable On and Off switching delay to avoid faulty operation caused by lightning, car headlights etc., Teach in button current light value, Button 1 hour timer, Button range switchover high or low range, Button test function, Cable feed from the back and from below, Cover with snap-on function when opening for the straightforward installation of the device, Captive screws, Large terminal area, Brightness value can be set without opening the device, Large light exposure angle (approx. 180 degrees), Infinitely adjustable switching brightness, Selectable lux range: 2-100 Lux / 100-2000 Lux