Swivel Photo Control - 1/2 Inch CdS Photocell, 240VAC Rating

Automatically control ambient lighting with this rain tight swivel mount photocell. Features: 6 inch leads, thermal switch, polycarbonate enclosure. ON-OFF levels: 10-20 Lux ON at dusk; 30-60 Lux OFF at dawn. Works with both ballasted and tungsten light source fixtures.