... 50,000hrs CE,RoHS 4)2 years warranty Bridgelux , high quality 100W used gas station equipment Specifications:1)Model:100W (1pc ... 277-300V.2)With constant current constant voltage control circuit.3)Overcome the light instability&noise,because of using ... . 10)Application:Square,Buildings,Parking lot, Football field, Stage, Advertising Board, Stadium,Yard, Lawn, Garden, Park, Plaza, Workshop, Warehouse, ...