... pad port ,1 Ethernet port 1 USB HOST,1 USB DEVICE and 1 PINPAD portMagnetic Stripe ReaderTrack 1 ... voltage is 8.5V,average length is over 10 kilometers (over 50,000 pieces of POS receipt) ... malfunction ,Life cycle: the print paper is over 50 kilometers (above 250,000 pieces receipts)LCD800 ... Pc, Copy form another pos, remote download, USB download, U disk downloadSize 215*188*80mmWeightCertificationsChina ...