... cola slim crystal light box applicable for: hotels, bars, fast-food restaurant, malls, chain-stores,easily to be installed crystal light boxFeatures: 1 ... , safe and practical3. We use the high-quality guide light panel, its advantage is that the luminance is good, ... the light is even and soft 4. Transparent Frame, crystal delicate5. Use the CCFL light source and get longer life-span. crystal light box