. LED advertising light box use beer, drink, etc. . Machine of back light box. . LED lamp has the top lamp or 1w power lamp voltage I/P adapter 240v/120v O/P D.C. 12v. 1 A current 350 ma ? 750 mA. . Life time: 10000 ? 20000 hrs. . Box made is S.S. . SIZE: Quantity Per Month: 5 K PCS Delivery Way - Date Of Delivery: 30 days