... 3.Many colors for choice 4.IP65 with silicone gasket 5.Aluminum reflector 50w watt high lumen remote control ... : >35,000 hoursLuminous efficiency:90-100lm/WNet weight: 3.8kgInitial luminous flux: 4000- 4200lmGood quality with competitive priceProfessional ... Billboard,Railway, tunnel, highway, electric power 2.Petrochemical enterprises 3.workshops, bridges, stations, squares 4.large equipment and ...