Features2 W power consumptionAutomatic switching source6 in lead wireProvide dusk-to-dawn lighting control and a delay action, which eliminates loads switching off due to car headlights and lightingThe design utilizes a dual temperature compensating bi-metal and composite resistor for reliable long life operation over ambient temperature extremes1/2-14 thread sizeThermal type photo controls, which are available in single or multi-voltage models, provide dusk-to-dawn lighting control and a delay action, which eliminates loads switching off due to car headlights and lightningThe thermal type controls feature a cadmium sulfide photocell and a sonic welded polycarbonate case and lens to seal out moisture