On at dusk, Off at dawn photocell. Operates in any position when used with PAR38 floodlight or spotlight. Also works with standard light bulbs. Fits most outdoor fixtures. Ideally suited for patio and driveway protection. 120V AC, 150W capacity. Incandescent, CFL (compact fluorescent), LED (light emitting diode), and halogen compatible. UL (Underwriter’s Laboratories) listed. No. 509442: Type: Flood Light, Voltage: 120V, Wattage: 150W, UL Listed: Yes, Pkg Qty: 1, Package Type: Card