Super Thin Alluminum Alloy Frame LED light box smd led light ... Alloy Life span: more than 50,000hrs Product Description: 1. Super Thin Aluminum Alloy Frame LED light box2. Material: Alluminum Alloy ... to 3-year) warranty· Competitive low priceApplication 1. hotel bar, super market, business hall, image sign2. dinning room, subway station, tunnel ...