Photocell automatically turns the light on at dusk and turns the light off at dawn. Timer allows you to control the duration of continuous early evening bright illumination 0 3 or 6 hours and the duration of late night motion-activated bright illumination 5 sec to 3 min. Motion Sensor automatically switches the light to full brightness whenever youre nearby or need it most like when you arrive home late at night. Detection angle is 180 with a range of 5 to 40 feet. With the Adjustable Low Level feature you can adjust the late night ambient brightness level from 50 to 0 off to suit your personal preference. Enhanced bulb compatibility works with any medium screw base incandescent or halogen bulb and most dimmable LED bulb models.