Hawk Lighting Multi-Volt 120-277V Outdoor Button Eye LED Photo Control, Light Sensor, Photosensor is UL Listed Automatically turns lights on at dusk and off at dawn Multi Volt. 120/208/240/277 Input Voltage. Hard Wire into fixture For use on a flat surface of a type 4x enclosure. Rain tight for outdoor applications Use with mercury vapor, sodium vapor, metal halide, CFL, LED, incandescent and halogen bulbs Widely use for standard outdoor light fixtures and electrical boxes and commonly use to control pole lanterns, lawn lights, storefront signage and walkway lighting when the sun goes down and the natural light level becomes low