Pairing a retail-hardened PC and built-in web server with a direct thermal receipt printer, the Epson C31CA85779 enables mobile POS deployments, cloud-based services and web-based POS from a single Dark Gray desktop unit. It prints monochrome receipts at up to 11.81 in/s on media up to 3.15 inches wide and 3.15 mil thick, accepting rolls to 3.27 inches in diameter, and runs on a 24 V DC power adapter. USB connectivity and 4 KB of standard memory are included, while barcode support spans UPC-A, UPC-E, Code 39, Code 93, Code 128, EAN-8, EAN-13, ITF, Codabar, PDF-417, QR Code, Maxi Code, GS1-128 and GS1 DataBar. The 3.50 lb chassis measures 5.7 in wide by 7.7 in deep by 5.8 in tall. Certifications include FCC Class A, ICES-003 Class A, UL1950 and CSA C22.2 No. 950, with RoHS environmental compliance and a 2-year limited warranty.