Dusk to dawn LED light with timer. 4 hrs., 6 hrs., 8 hrs. or all night after dusk. 2101 lumens with twin lights, Smooth, even light output with diffused lenses, uses only 21.5 watts. Efficiency of 98 lumens per watt. Dusk Learn feature for setting custom dusk level + 4, 6, 8 HR Optional Timer Settings Light pans and tilts for desired light coverage+ Eave and wall mountable with unique swivel adjustment Easy mount installation system saves time. Highly efficient light will save on electric bill and give you security light all night long.