20X2 VFD customer display; Support serial/USB interface;support English,Chinese,Russian etc,support external power adapter 20X2 Character VFD customer pole display ... ) x 225(W)x37(D) mm Support dimensions: Long support: 480mm (Contain base) Short support: 225mm (Contain base) Base dimensions: ... Hospital,airdrome, Station, Post, Bank etc. POS VFD Customer Display (VFD220E) with RS232 (COM) interface