Currently there are a series of led corn lamps very hot in the led lighting market . Why this kind of lamp becoming so popular ? High power with 360 degree beam angle design to make the light radiating uniformly to the ground . Easy replacement , led street bulb could directly replace the traditional E40 or E27 Base CFL . HPS , HM in IP64 fixtures . 80% more energy saving compared with traditional lamps . Solves 4 difficulties for led packaging , heat sinking , operational lifespan , luminous efficiency .