TH5050 with Luminous Efficiency 240-260Lm/w,TH5050 Luminous Efficiency of LED luminaires 210-220Lm/w. The Outdoor High-Efficacy TH Series features a special non-light-blocking die bonding and wire bonding process. By integrating specially formulated phosphors with matching chips, the series achieves exceptional luminous efficacy and an extended lifespan. The TH Series delivers outstanding benefits, including high efficacy, long lifetime, and broad compatibility. While maintaining high performance, it ensures maximum operational lifespan and superior luminous efficiency, guaranteeing stable operation over extended periods. This makes it the ideal LED light source solution for demanding environments such as highways, tunnels, bridges, stadiums, and mining sites.