... Safety : CE and ROHS and approved12. Size : Maximun size for one panel is 1.5mx2.5m, and we can tile up several ... than 1250cm^2 --- DC12V + adaptor, lighting area is bigger than 1250cm^2 --- AC90-240V2. What is the process of producing el panel ?3. How ... sea/express.4. Vast Applications:EL panels are widely used for advertising in commercial centers, chain stores, supermarkets, airports, railways, ...