Specification:Model: POS-5810DD Product Size: 11.2 x 8.4 x 5cm/4.4 x 3.3 x 2in Weight: 254g/9oz Print Method: Thermal printing Print Head Life: 100 million s/dot, or 100km Resolution: 203dpi (8 dot/mm) Effective Printing Width: 48mm (384 points) Available Paper Width: 58±1mm Paper Warehouse : diameter 50mm Print : 90mm/s Power Supply: rechargeable battery 2000mAh 7.4V Charging Method: External charger Power Charger: 5V-2A Printing Parameters: Support trademark printing, Support 1D/QR code printing Support b ode pe: UPC-A/UPC-E / JAN13(EAN13) / JAN8(EAN8) /CODE39/ ITF / CODABAR / CODE93 / CODE128 ; QR Code Communication Intreface: USB, 2.0/ 4.0 Driver: Win 9X / Win 2000 / Win 2003/ Win XP / Win / Win 7 / Win8 / li / Android/ IOS Use environment: -10-50°C (temperature), 10-90% (humidi ) Package Size: 18.2 x 11.2 x 6cm/7.1 x 4.4 x 2.3in Package Weight: 440g/15.5oz Note:1. Please download the printer driver via: //www.cnfujun.com/d/41 2. For iOS System, download"POS-PrinterV1.0" in App Store; For Andorid system, download the DEMO APP by scanning the QR code at the user manaul, following the instruction in the m l to finish the installation. Packing List: 1 x Thermal Printer 1 x Thermal Paper Roll 1 x User M l 1 x USB Cable