3 adjustable brightness levels up to 1200 Lumens makes fixture perfect for security lighting Integrated dusk to dawn photocell for nighttime on daytime off operation Maintenance-free 4000K LEDs with lifespan of 25,000-hours with no need to replace bulbs Brightness settings controlled via on board button on fixture housing between 700, 900 and 1200 Lumens Accessory cap provided in package can be used to turn fixtured into a switch activated product if D2D feature is not required