LED backlit sign 1. stainless steel side and front with painting bule,no rust 2. fine welding 3. inner high quality waterproof LED (with CE/UL/ROHS certificate) ,over 50,000 hours guarantee. 4. Uniform lighting, fresh colour 5. Size:700cm high and 8cm deep(according to customers' requirements) 6. Safe voltage-DC12V 7. Ametabolic, waterproof, fireproof, corrosion resistance 8. Accept customization. 9. door to door service inculding shipping cost is available(DHL,UPS) 10.back screw rods fixing Welcome to get your kind inquiry,i will provide the best price with you. If you have any question,pls contact us.