Floor Stand Info Inquiry Machine suppliers Physical resolution 1920*1080 Screen ratio 16:9 Contrast ratio 5000:1 Color depth 106M(10bit) Viewing angle 178掳(H)/178掳(V) Brightness 800cd/銕?/p> Response time 5ms Signal system VAG 640脳480@60Hz锝?920脳1080@60Hz Operating environment Operating humidity 20锝?0% (non-condensing) Operating temperature 0鈩冿綖50鈩?/p> Storage temperature -20鈩冿綖60鈩?/p> Storage humidity 10锝?0% (non-condensing) (2) Touch screen part Size 21.5 inches Touch Type Infrared true 2-point touch Functional indicators: Resolution 4096脳4096 Linearity error <5mm Response speed 10ms~26ms Scanning speed 50scans/s Mechanical behavior Input method Use your finger or other opaque touch-sensitive medium The number of touches is unlimited Minimum touch body diameter 5mm Anti-knock resistance Can withstand the impact of 500 grams of steel balls falling freely at a height of 0.71 meters Durability Withstand more than 60 million single touches Surface hardness Mohs scale 7 Optical index Light transmittance >95% Environmental indicators Working temperature -20鈩冿綖70鈩?/p> Storage temperature -40鈩冿綖85鈩?/p> Working humidity 90%RH at 40鈩?(no condensation) Storage humidity 90%RH at 40鈩?(no condensation) Altitude 0~3000m Electrical Characteristics Working voltage Typical value +5VDC, range: +4.7V~+5.2V Power supply mode USB power supply Power 1.25W卤10%, working current 250mA卤10% Applicable operating system Windows7 32-bit,windowsXP,VistaFloor Stand Info Inquiry Machine suppliers website:http://www.ctv-touch.com/self-service-machine/floor-stand-ifo-iquiry-machine/