Moonrays L1701 100 W metal halide dusk to dawn security light provides lighting to any business or residence. This fixture mounts on walls for driveway, patio or front stoop lighting. Use the optional mounting arm to mount this light so it hangs over spaces. The dusk to dawn photocell turns lights on at dusk and off at dawn for automated energy savings. Dusk to dawn lighting provides illumination when you need it most and gives your home a lived in feel. This light has a octagon shaped frame, decorative cooling fins, a 10 in acrylic reflector and comes with one 100 W metal halide bulb that emit up to 10,500 Lumens. Use Moonrays L782 replacement bulbs with this product. The dusk to dawn security light is UL and cUL listed for safety and quality assurance.10 in acrylic reflector spreads light evenly10 in acrylic reflector spreads light evenlyDusk to dawn photocell turns lights on at dusk and off at dawnMounts onto walls with two bolts with the mounting arm or three bolts without the mounting armEmits up to 10,500 Lumens of energy efficient light