1. > 80% energy saving 2. 50,000 hours lifespan 3. customized according customers' ... . no harmful elements Product FeaturesEnergy saving: High brightness, high efficiency, energy saving more than 80% than normal light; Long lifespan: More ... 50,000hours (normal incandescent consumes: 1,500 hours lifespan, ordinary energy saving lamps consumes: 5,000 hours lifespan);Stability: Built-in ...