Energy-saving advertising LED box 1.Light source:LED 2.Brightness:2000Lux 3.Thickness:15~20mm. 4.Lifetime:above7000hrs 1. Energy-saving advertising LED box applied Guide light technology, high brightness, and the light in whole surfaces is very evenly and soft; 2. LED as light source, saving energy and with low heat generation; 3. With a long lifetime that support 70000 Hrs at least; 4. Easily to ...