The Heath Zenith SL-5318-BZ-D Motion-Sensing, Shielded, Wide-Angle, Twin Security Light features patented Dual Brite 2 Level lighting and low-level accent light adjustable timer. Timer settings include (Off, 3 HR, 6 HR, OR DUSK TO DA). Full bright security light goes on when motion is detected. The Selectable Light Timer allows you to select a setting of minutes before automatically shutting off lights after motion has stopped.