slim snap frame LED double face light box 1.with CE, Rohs, UL certification LED ... years4. Size: Customized size is available.5. Application: for single sided , indoor use. Widely use in lift , hotel , restaurant, supermarket, Mall ... , Station , Stores etc.,6. Advantage: energy saving, environment friendly, easy to change the poster and install. ICBC double sided light boxes 4025/slim ...