Sam4s ER-920 has a flat keyboard with 110 presets, multi line display & memory slot allowing for sales to be exported to a PC. Sales reports viewable in PC spreadsheets View previous sales on screen 110 preset button splash proof keyboard Cashier Interrupt and Table Management Two line operator display - Easy to read blue back light 2 line 16 character LCD ER-920 also has a double printer version - the Sam4S ER-940