China Intelligent Digital Touch Screen WiFi 3G HDMI VGA Windows Computer Interactive LCD Display White Board, Find details about China Interactive White Board, Touch Board from Intelligent Digital Touch Screen WiFi 3G HDMI VGA Windows Computer Interactive LCD Display White Board
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 | ||||
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 | |||||
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 |