LED high bay lamp 1, 30/50W, factory price 2, CE, ... RoHS 3 year warranty 3, American,Taiwan chip 4, Eco-friendly SpecificationsLamp type50W LED ... Light 1. Using High density multi-chip LED Light Source(COB LED) 2. Waterproof grade IP653. Long lifespan ... : silverLED Quantity: 1pcs high density COB 30W/50W LED emittersOutput Lumens: 30W(1900~2200lm) 50W(3000~3300lm) ...