... ~90%MTBFMore than 50,000hrs Features 1. COB led as lighting source, good heat dissipation, light efficacy, light uniformity, and ... saving: take high efficiency LED as lighting source, save energy 50%~90% compared with traditional lighting fixtures. 6. Environment friendly: no ... ~ +80°C, Humidity 0~90% 9. Wide application area: home lighting, commercial lighting and industrial lighting. Application