China Multi-Touch Digital Smart Education Windows System Computer Interactive White Board for Multi-Media Classroom School, Find details about China Interactive White Board, Smart Board from Multi-Touch Digital Smart Education Windows System Computer Interactive White Board for Multi-Media Classroom School
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 |