* Unique technology: Use of MCOB seal package, performance stability, and the light is surface source; * light weight: the weight of the entire lamp is 75 grams; * High efficiency luminous: the entire lighting efficiency up to 100LM / W or more, Dedicated to replace 40W-100W incandescent . * stable performance; This product uses the ceramic packaging technology, BOSS underfill technology to ensure the life of the products: * Good heat dissipation; using spinning cooling method * Base type: E14, E26, E27, B22. Light weight: the weight of the entire lamp is 75 grams.