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Teaching classroom 4K LCD display 75 86 inch touch screen interactive smart board nano blackboard |
Product name | Interactive nano blackboard | Resolution | 3840*2160(4k) | ||
Size | 75",86",98" or customized | Brightness | 450(cd/m2) | ||
Screen type | Capacitive Nano touch | OS | Dual OS system | ||
Usage | Teaching,conference,query,household, advertising | Glass type | 3/4mm tempered glass | ||
Installation way | Wall mounting/mobile stand | Life time | More than 50000H | ||
Function | PC,tablet,projector,writingboard,projection screen,speaker | Working voltage | 50-60HZ 100-250V | ||
Best viewing | Up:89 down:89 left:89 right:89 | Contrast ratio | 5000:1 | ||
Distance | 0.5622*0.5622mm | Display Color | 16.7M | ||
Internet | LAN/WIFI | Max. viewing angle | 178° |