Photocell which automatically turns the light on at dusk and turns the light off at dawn. Timer that 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 that automatically switches the light to full brightness whenever youre nearby or need it most like when you arrive home late at night. 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.