85% ENERGY SAVING - Perfect 250W HPS/Halogen bulb replacement. Outdoor security light with 29W LED bulb that can help illuminate large acreage, driveways, barns, and dark rural settings with 85% energy saving. It is engineered to yield an incredible 3,300 lumens of 4000K bright white light. INTEGRATED PHOTOCELL - Engineered with photocell technology. Dual-control enabled provides both dusk to dawn operation for automatic nighttime on/daytime off ensuring efficient energy usage or normal switch-controlled on/off for more hands-on control. VERSATILE MOUNTING OPTIONS - TIER ONE designed this premium yard light with versatile mounting options.