... > 80Ra 4. luminous efficiency>80m/w 5. CCC, CE certificated; ceiling light with induction light tube and ballastinduction light details1. 5year ... maintenance;5. honglang lamp and ballast set features with high lighting efficiency, long lifespan, excellent color rendering and stable output, ... lamp.Application: garage, parking lot, gas station, warehouse, etc. pc ceiling light for indoor lighting