Product Description55inch Touch Screen Digital Kiosk Windows All In One Computer Infrared Touch Screen Product parametersLCD ScreenResolution1920*1080/3840*2160 optionalScreen Ratio16:9Dynamic Contrast≥5000:1Viewing Angle≥178ºBrightness450 cd/m²Life Time100000hBrand New A+degree 2K/4K Screen Full-screen Display without black border, no blind spot Touch ScreenResolution4096×4096Touch Points10 pointsMinimum Touch Item≥5mmResponse Time＜5msSurface HardnessMohs 7 degreeCursor Speed≥180/msTransmittance≥98%DurabilityUnlimited≤5mm explosion protection toughened glass for the writing surface,scratch-resistant anticollison PCMain Board CPUAndroid, I3/ I5/ I7 ProcessorSpeaker10W×2Hard Drive8G/120G SSDMemory2G/4GUSB connectors4 pcsBuilt-in wifi2.4GHz & 5GHzIEEE 802.11 a/b/g/n/acInterfaceHDMI,VGA,USBIntegrated design, modular design for the main panel, detachable, easy for the maintain and upgradeAccessoriesAC power cableOperating SystemWIN10 / Android/ Linux SystemProducts Description10-points touch, multiple software 1. 100% test performance before delivery2. With the advancing touch technology, our product is applied with original module LG display.3. Our company was recognized by Chinese Government as National High-Tech Enterprise