Heath/Zenith SL-9272-BZ 150-Watt High Pressure Sodium Industrial Grade Security Light with Dusk-to-Dawn Control, Bronze 150-Watt high pressure sodium industrial grade security light Up to 30,800 square-Feet light coverage area Uses 1 - 150-Watt high pressure sodium, mogul base bulb (included) Up to 24,000 hour bulb life 2 year warranty