... the form of flat panel displaying, available products include: Flexible Plastic EL Panel, Glass Panel, Enamel EL Panel etc. Tech data ... 110V, 400-800Hz or 220V, 50Hz, material: glass panel Characteristic: Long lifetime, Flat effect Application: Emergency passage indication, ... , energy saving 4) COOPERATION STYLE We sell production machine and relating production technics Remark: pls. contact sales ...