... lamp 1, 30/50W, factory price 2, CE, RoHS 3 year warranty 3, American,Taiwan chip 4, Eco-friendly SpecificationsLamp type50W LED ... color: silverLED Quantity: 1pcs high density COB 30W/50W LED emittersOutput Lumens: 30W(1900~2200lm) 50W(3000~3300lm) Color ... , Billboard Lighting; 4. Gas Station, Garage Lighting; 5. Park, Garden Lighting; 6. Workshop, Factory Lighting; 7. Warehouse, Storage Lighting; 8 ...