PRODUCT HIGHLIGHTS6\\\' colour display (115mm x 87mm)320x240 resolutionKeypad or touch screen versionsKeypad: 10 function keysMemory: 240K flash, 190K ram110/240V AC and 24V DC versionsOn-board communicationsThe following models also feature a built-in RS-232 printer port: C8, C10, C15, C16, C20