Using patented Dualux energy-saving technology that automatically dims late at night to provide soft ambient illumination until dawn. But rest assured knowing that whenever motion is detected on-demand bright illumination will be triggered to keep your property safe and secure. 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.