... 4:Certification:CE,3C LCD Touch Monitor Technical ParametersSize26” Samsung LCD monitor with PC and TVResolutionSXGA (1366×768)Response time6.5msBrightness450cd/m2Pixel pitch0 ... operating system WIN XP, we install for buyers ) Single point touch response rapid, fluentStandard industrial mainboard:2*PS2 Ports;1*COM Port ... input, HDMI input, AV output, have an audio output AV LCD Touch screen monitor