led ceiling down light 1.Long working time 2.CE, ... ,5w;6w,7w;9w;12w;15w High Power led ceiling down light 1w,2w,3w;4w,5w;6w,7w; ... 50% - 70% electricity cost comparing with high pressure sodium lamp. We are specializing in outdoor and indoor light products. ... saving system, saving 50% energy than the conventional Metal halide lamp, Sodium Light or HPS lightApplication:1. Factories2. Gymnasiums3. Yards4. ...