The new Cree LED bulb looks and lights even more like a light bulb. It works just like you would expect – it lights instantly, is dimmable without buzzing, and emits a warm, Omni-directional light using just a fraction of the energy of a traditional incandescent while lasting about 25 times longer. The new Cree LED bulb is now constructed from durable, shatter-proof plastic and weighs less than 2 oz. making it even more affordable so it pays for itself even quicker and will continue paying you for years. How did Cree do this, The new Cree LED Bulb replaces expensive external heat dissipation with next-generation 4Flow Filament Design using cross-flow ventilation to cool the LED. This creates a highly durable, lightweight and long-lasting bulb with a compact all-around light source, which looks and lights just like an incandescent bulb.