This Surface Mount Light Fixture came with a built-in motion sensor, turns the light ON at dusk automatically when movement is detected. With the 15ft detect range and 65-degree detect angle, it's perfect for the hallway, closet and other location that the motion-activated wall switches is not able to be install, makes your life more convenient while helps you to save more energy. This fixture is Energy Star® and ETL certified and it can be used to comply with Title-24 and JA8 high efficacy light source requirements. It satisfies most application needs in shopping center, business building, hotel and residential.