China USB Powered 75 Inch 10 Touch Points Interactive Flat Panel Digital Display, Find details about China Interactive LED Whiteboard, Interactive Whiteboard from USB Powered 75 Inch 10 Touch Points Interactive Flat Panel Digital Display
Size | 50" | 55" | 65" | 75" | 85" | |
LED panel | backlight | LED | ||||
Resolution | 1920*1080 | 1920*1080 | 1920*1080 | 1920*1080 | 3840*2160 | |
Viewing angle | 165/165/150/150 (L/R/U/D) | |||||
Color | 16.7 | 16.7 | 16.7 | 16.7 | 66.8 | |
Brightness | 400cd/m2 | 400cd/m2 | 400cd/m2 | 400cd/m2 | 500cd/m2 | |
Contrast | 5000:1 | 5000:1 | 5000:1 | 5000:1 | 5000:1 | |
Respons time | 4ms | 4ms | 4ms | 4ms | 4ms | |
Display area | 1100*620MM | 1210*680MM | 1430*804MM | 1652*931MM | 1875*1055MM | |
Touch screen | Touch technology | infrared touch screen | ||||
Touch point | 6/10 multi-touch | |||||
Anti light interference | The light can be illuminated with various angles and the screen can be used normally | |||||
Writing style | Finger, pen (any opaque object with a diameter of >5MM) | |||||
Touch accuracy | More than 95% of the touch area is + 2mm | |||||
Communication mode | Full speed USB2.0/3.0 | |||||
Surface hardness of writing screen | 7 grade explosion proof of physical tempered Mohs | |||||
Touch life | The service life is more than 80000 hours | |||||
OPS PC | CPU | Intel I3 | ||||
Memory | Standard 4G DDR3 | |||||
Hard disk | 2.5 inch / 7200 turn 500G | |||||
Network card | 100/1000M Gigabit Ethernet card | |||||
Hardware | Video input | Coaxial antenna ports: 1 | ||||
Composite video (CVBS) input port: 2 | ||||||
Computer VGA port: 1 (front) | ||||||
Color difference terminals: 1 | ||||||
HD interface (HDMI): 1 | ||||||
MIC input | ||||||
Touch USB input: | 1 | |||||
Audio input: | Composite video (CVBS) audio input port: 1 | |||||
Computer audio input interface: 1 | ||||||
YPbPr audio port: 1 | ||||||
Headphone audio output: 1 group | ||||||
Special | Television system: | Image standard: PAL | ||||
Sound system: BG, DK, I, MN | ||||||
Decoding: 3D digital comb filter, 3D image motion noise reduction, 3D motion adaptive comb filter, etc. | ||||||
Speaker | front speaker | |||||
Speaker power: 10W*2 | ||||||
Electric | Input voltage: | alternating current: 100-240V 50/60Hz | ||||
Power: | ≤1130V | |||||
Power saving: | <0.5W | |||||
Environmental | relative humidity | ≤80% | ||||
Storage humidity | -10~ +60ºC | |||||
working temperature | 0~ +40ºC |