Display
              User Interface
              Processor
              Security
              Connections
              Power
              Physical
              Environmental
          Display
                
                                                                2.4" Screen
                                              ; LED Backlight
                                              ; Monochrome LCD
                                              ; Resolution 128 x 64
                                                        
              User Interface
                
                                                                Keypad Durability: 2,000,000 Presses Each
                                              ; Tactile 16-Key Keypad
                                                        
              Processor
                
                                                                ARM 32-bit RISC
                                                        
              Security
                
                                                                PCI PTS 5.x Approved
                                                        
              Connections
                
                                                                USB Type-B
                                                        
              Power
                
                                                                Low Power Modes
                                              ; Rating 5V, 1.2A, USB Type-B
                                                        
              Physical
                
                                                                33mm (5mm front projection) L × 108mm W × 142mm H
                                              ; Cutout 83mm × 121mm
                                                        
              Environmental
                
                                                                IK Rating IK09
                                              ; IP Rating IP65
                                              ; Operating Temperature: -20° to 70° C (-4° to 158° F)
                                              ; Relative Humidity: 10% to 90%, Non-condensing
                                              ; Storage Temperature: -25° to 70° C (-13° to 158° F)
                                                        
              