... warranty 2-3 years size 10cm~100cm LED Crystal Light PanelDescription: High luminous efficiency of the economical ... ultra-thin, waterproof advantages. Mainly used for advertising light box backlighting, signs. Especially suitable for metro,stations, ... ZL200820131053 ZL200820132702Scope of application:Apply to lighting, backlight application,advertising light box, billboard,poster,signboard,memu display ...