Product Features: Print Speed: 300mm/sec Print Width: 79.5±0.5mm Auto Cutter: Yes More functions: 1. support various windows including Windows2000/Windows,XP /Windows 7/Vista 2. support barcode:UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CODABAR/ITF/CODE9/CODE93/CODE128 3. Compatible with ESC/POS Command 4. WiFi interface,Adopt IEEE802.11b/g WiFi Standard