Karo base luminaire with integrated twilight sensor The built-in sensor, which automatically adjusts at a certain brightness, is the highlight of the Karo base lamp. The sensor can also be switched off via a switch on the lamp. A black cast aluminium cuboid houses an E27 socket surrounded by clear glass. The straight lines and structure are also reflected in the base. - Twilight switch On: ≤ 40 lux; Off: ≥ 100 lux; integrated switch. - Luminaire can be activated in the usual way via the wall switch when switched off in twilight mode