... -sided or/and double sided,energy-saving light box/ advertising light box/ super slim light box are among our best selling. 1, Snap ... use, simple and elegant appearance;2, Light source: T4 ,T5 lamp, LED light. Even luminescence, soft light3, Frame thickness: generally,2cm ... of lighting tubes or/and LED light20000 hours with tube lamp light , 50000 hour with LED light8,Voltage:120V240V9,Certification: ...