Memory 8 MB (Flash ROM), 16 MB (S-RAM) Display LCD screen (16 characters x 2 lines), Status indicator, Beeper Battery Lithium ion 7.4 V, 2600 mAh Operating System Windows(R) 2000 / XP / Vista Dimensions 88 x 119 x 65 mm Weight 2 kg Interface 2 serial ports, Bi-directional parallel port, Expansion I/0,PCMCIA I/F, 10/100 Internal LAN I/F, USB Duty Cycle 600 labels / day Print Speed Up to 4.13 ips (105 mm/sec) Print Resolution 203 dpi Print Method Direct thermal Print Width 1.89 inches (48 mm) Print Length Max. 995 mm Media Handling Media width: 24 - 58 mm Max outer roller diameter: 60 mm Media type: Labels, Receipts, Coreless media Barcode EAN8, EAN13, JAN8, JAN13, UPC-A, UPC-E, NW-7, CODE 39, CODE 93, ITF, MSI, CODE128, EAN128, Customer Barcode, GS1 Databar Options Spare battery - shoulder strap - 1 & 6 slot battery chargers - upgrade interface kit (Bluetooth, wireless LAN) for GH20 model - IP54 rated carry case - linerless label kit - AC & DC adapters Power AC 100 to 240 V; 50/60 Hz with universal power supply