High Luminous efficiency >100lm/w Life-span :> 50000hours Certification :CE, TUV. Warranty :3 years FeaturesAnodic oxidation reflector and the design of patent heating bodyAcrylic glass coverSingle high powerful LED (50W-100W) light sourceHigh efficiency stable LED driver UsageWorkshops, factories, storehouses, toll stations, gas stations, supermarkets, exhibition halls, gymnasium, and some other ...