square light boxes 1. Material: Aluminum and Acrylic 2. Light source: LED, T4 3. RoHS, FCC,SAA,CE square light boxesWV light box SLAL0001 Item NO.: ... Thickness: as you want 2) Light source: LED lights(light on 2 long sides),T4,T5 3) Voltage: input 110-240v,output 6v ... -12v, 4) characteristic: ultra thin, super light, beautiful, energy saving, ...