products Explanation Specification: The printing method direct thermal/thermal transfer Printing resolution 203dpi (8/dots)/300dpi (11.8/dots) Max printing speed 4ips (102mm/S)/3ips(76mm/S) Max printing width 4.25 "(108mm)/4.17″ (106mm) Max printing length 40 "(1016mm) Memory 2MB FLASH ROM, 4MB SDRAM Media width:max 110mm,min 27mm, OD: max 6 "(152mm) ID: min 1 "(25.4mm) Ribbon OD 2.75 "(70mm) max, ID1 "(25.4mm)min, max width: 110mm maxlength: 360M Media sensor Reflective Fonts Windows True Type Fonts (using Windows driver);Built-in 5 ASCII dot fonts and a 24*24 dot Chinese fonts Barcode types Code 39, Code 93, Code 1,28/Subset A,B,C, Codabar,Interleave 2 of 5, UPC A/E 2 and 5 add-on，EAN-13/8，UCC-128,Postnet，Plessey，HBIC Telepen , FIM and so on; 2D barcode MaxiCode,PDF417, Datamatrix and so on Interfaces RS-232 , Centronics ,USB, PS/2 Rower rating 24 VDC, 2.0A Weight 3.5kgs Fuselage size W256 xD329 xH200mm Operating Environment Temperature:0癈-40癈; Relative humidity: 5%- 85% non condensing Memory ambient temperature: -40癈 - 60癈 Optional items Cutter kit，peeler kit，Internal10/100M Ethernet Interface card