●【High Performance】Our POS machine is equipped with Intel Celeron J1900 quad-core processor, 4GB RAM, 128GB SSD storage, Windows 10 LTSC OS, build-in WiFi model ●【Multi-functional interface】This cashier register comes with 3 Serial (COM) ports, 7 USB ports, 1 LAN port, 1 Direct Cash drawer port, 1 audio output ●【 Fast Response Touch Screen】Assur black cash register has 5 milliseconds response full flat screen design, the 4:3 aspect ratio, 1024x768 resolution monitor features with anti-scratch, anti-corrosion features extending of the life duration ●【Great Compatibility】 This cash register system is compatible with all POS Software for Windows, all windows receipt printers and cash drawers ●【Worry-Free Warranty】Our pos register has 30 days money back and 1-year warranty, please feel free to contact us if you have any questions.