100W BRZ Securit Light Motion Activated security flood light With DualBrite DualBrite is a patented Heath/Zenith technology that provides energy saving two-level lighting operating at half power until motion is detected and full power lighting when motion is detected Provides soft accent lighting beginning at dusk When motion is detected, light automatically switches to full bright security lighting for a pre-selected amount of time - 1, 5, or 10 minutes