... etc,support external power adapter 20X2 Character VFD customer pole display FeatureBeautiful shape Display Angle can be around up- ... Bright blue-green fluorescent display . Display characters: 2 line x 20 characters / line, 40 characters, 5 x 7 Dots Character size: ... of Marketplace, Hospital,airdrome, Station, Post, Bank etc. Double line VFD POS customer display,customer pole display with DC power