slim snap frame LED double face light box 1.with CE, Rohs, UL ... input : 100 to 240V AC 50/60 hz , working on 12V DC3. Life span of led: more than 50,000 ... available.5. Application: for single sided , indoor use. Widely use in lift , hotel , restaurant, supermarket, Mall,bakery, airport, Station , ... friendly, easy to change the poster and install. ICBC double sided light boxes 4025/slim light box use ...