... 2 --- DC12V + adaptor, lighting area is bigger than 1250cm^2 --- AC90-240V2. What is the process of producing el panel ?3. How to ... sea/express.4. Vast Applications:EL panels are widely used for advertising in commercial centers, chain stores, supermarkets, airports, ... , taxi, bus advertising, promotions. 5. EL poster structure: A complete el poster include: el panel/poster + el invertercan add ...