Dear Sir/Madam,Type:android mobile pos terminal qrCPU/OS:Quad-core 1.3GHz /Android 5.1RAM/ROM:512MB DDR2/4GB Nand FlashDisplay:5.5-inch 540*960 IPS-LCDPaper Roll Width / Diameter: 58mm / 40mmCommunication:WCDMA,WiFi,Bluetooth,GPSBattery:7.4V 4500mAhWiFi:Wi-Fi 802.11 b/g/nWarranty:1 year factory warranty for main device; 6 months for accessories Show More