Briloner Twilight sensor 3921015 for 12 V outdoor lights, black; Twilight sensor for automatic switching of the 12 V exterior lighting This daylight sensor enables autonomous control of the 12 V outdoor light system from Briloner. When the ambient brightness falls below 50 lx at dusk, the downstream lights are switched on; in the morning (ambient brightness > 50 lx), they are automatically switched off. - IP code: IP67 - incl. 1 m cable - incl. screws and wall plugs for optional mounting - recommended total length of the system: max. 15 m color: black material: Plastic