Dephen 30W Led Corn Light, Medium Base E26 / 5000K / 3600Lumen Led Corn Bulb, Replacement for Metal Halide Bulb, HID, CFL, HPS, 360 Degree Street Area Light High Quality: Our corn LED bulb have been certified by UL(E483965) CE and RoHs certification. So they meet the necessary safety and reliability standards and better quality Energy Saving: Corn Light bulb have universal application and can save up to 80% on electricity consumption when compared to the high pressure sodium lights, incandescent lights,metal halide lights,and traditional street lights they are replacing Super Long Life: 50000 hours lifespan, corn light is rated to last 23 years assuming 6 hours of usage per day. This corn led light come in 5000k light temperature. The 5000K light ensures a bright clear light. Easy Installation: Connect directly into E26 Screw Bases, just screw in. Please note that in some case the ballast may have to be bypassed when changing to LED. Most are plug and play but please check (LED use a driver, not a ballast) Green and Eco-Friendly: No harmful elements such as mercury and xenon,No UV or IR in the beam,Light is soft and uniform,Safe to eyes