... body. 1.2. Vast Applications:EL panels are widely used for advertising in commercial centers, chain stores, supermarkets, airports, railways, ... . F. Payment: start production upon receiving bank receipt. G. Delivery.4. EL advertisement specification:Specification Of EL advertisement 1. Thickness ... : Flexible 9. Operating Humidity:0-90% 3. Uselife: 8,000-12,000Hrs 10. Operating Temperature:-60°c—60°c 4 ...