... and double sided,energy-saving light box/ advertising light box/ super slim light box are among our best selling. ... and elegant appearance;2, Light source: T4 ,T5 lamp, LED light. Even luminescence, soft light3, Frame thickness ... tubes or/and LED light20000 hours with tube lamp light , 50000 hour with LED light8,Voltage: ... etc.11, Packing details: One piece per inner box with bubble bag; 1/2/4 pcs/CTN12, ...