... , Single-sided or/and double sided,energy-saving light box/ advertising light box/ super slim light box are among our best selling. 1, Snap open ... cm,,,,,,200cm×300cm4, Low power comsuption, less than traditional light box5, Easy to assemble and maintain6, Long longevity ... lighting tubes or/and LED light20000 hours with tube lamp light , 50000 hour with LED light8,Voltage:120V240V9,Certification: ...