... lead 2.5W Intelligent Controller 3m with water-proof connector Light unit Over charge/discharge protection Total Unit weight Size:280 ... ) Lighting mode 5.1 (kg) Controller Constantly packing day/night sensor Q'ty/40' Carton 400*330*250 with poly foam ... , saving 50% energy than the conventional Metal halide lamp, Sodium Light .Application:Tunnel, Football field, Stage, Buildings, Advertising Board, Gym, ...