... LED Bulb 1. Cree/Edison/Bridgelux/Epistar 2. Factory, 100h aging testing 3. 2-3 years warranty 4. Certificated 5W LED ... . 2. Commercial Buildings, Mosques, Museums, Interior or exterior light effects, 3. Decorative lighting/Stage lighting, Architectural and signage ... BridgeLux, Epistar chip, has the advantage of good quality and high brightness,(other brands of chips according to customers requirements ...