1. Material: Aluminum and Acrylic 2. Light source: LED, T5 294. RoHS, FCC,SAA,CE 3,span life:50000hours ... are available. 1) Thickness: as you want 2) Light source: LED lights(light on 2 long sides),T4,T5 3) Voltage ... also make the light panel according to your requirements.l 2012 new style led countdown display