DUSK TO DAWN: automatically turns on at dusk and off at dawn providing safety while saving you money – the built-in photocell ensures night operation only SWIVEL ARM DESIGN: after installation, gently grasp the lamp heads and tilt them up or down or side to side to adjust the light coverage area making it work for your unique space BULB REQUIREMENTS: this security light requires 2x Standard Base E26 PAR38 Shape 120W Max Bulbs that are sold separately - compatible with Incandescent and LED bulbs DUAL MOUNT: includes all mounting hardware for quick and easy installation - can be wall mounted or eave mounted, whatever works best for your house WEATHER RESISTANT: ideal for any outdoor environment - constructed of durable materials, outdoor rated and weather resistant for light exposure to the elements