Slim Light Box Voltage: 90V-250V Life Span: 8-10years Change Picture: Untwist the screw, then take off the cover outward Applications: Slim light boxe is popular for Super market, Business hall, Hotel, Dinning-room, Subway station, Tunnel, Cinema, Night club, Disco, Coffee shop, Exhibition hall, Company image sign, Shop window, Advertise show room and other Indoor decoration. Features: 1) Ultra slim, the thickness of the light box is from 9.5mm to 50mm 2) Low consumption and environmental protection, save 70% energy compared with triditional ones by using LED strip as light source 3) Slim light box is easy to install and change the pictures. 4) Light aluminium frame with very nice appearance. 5) High quality light-transmitting panel presents light homogeneously,softly. LED Strip: No heat, low energy consumption and low power compared with other light source. Ultra long life span is the most preponderance of our LED, its life time is 50,000hours at least, up to 100,000hours at most. from customers are welcomed.