

Features
Flagship system
Super CPU configuration; global Internet, support one LAN cable for dual internet access; full channel support Touch USB follow.
Active"smart"pen
High quality, beautiful appearance intelligent pen, multi-system compatibility, arbitrary switch, delicate writing, PPT presentation.
Multiple meetings
1000M network, video meeting fluent transmission; support 8K video decoding, make remote video meeting easy and convenient; local meeting with comments and sharing, file content can be automatically classified.
Ultra - clear display
The 4K UI image shows the charm of feeling details. The handwriting is delicate, clear and non-jagged.
Write at random
High-precision touch; support 20-point touch, and single-point writing; support two-point zoom-out, zoom-in, drag and switch freely.
Microphone and camera
Built-in camera access, integrated smart noise reduction; microphone array to achieve far distance sound pickup, noise printing, sound source location.
Specification | Type | Parameter |
Panel | LCD size | 74.52" |
Panel purchase standard | A grad |
Light source | LED |
Resolution | 3840 x 2160pixels |
Brightness | 350cd/m²(typ.) |
Contrast ration | 1100:1,1200:1,4000:1,5000:1(typ.) |
Pixel pitch | 0.4296 (W) x 0.4296(H) |
Frequency | 60Hz |
Viewing Angle | 178 °(H)/178 °(V) |
Life span | 30,000hrs(min.) |
Response time | 8ms |
Color saturability | 70% |
Visual area | 1650.24(H) x928.26(V)(mm) |
Display Colors | 1.07b(10bit) |
Android system properties | processor | Architecture | 64-bit architecture CPU and super G51 series GPU |
Working frequency | 1.5GHZ |
Number of cores | 8 cores |
Memory | DDR4: 4GB/eMMC:32GB |
System version | Android8.0 |
Chip solution | Hi3751ARBCV811 |
Power | Voltage | AC100-240V~,90-264V~50/60Hz |
Max. power consumption | ≤200W |
Standby power consumption | <0.5W |
Speaker | 2 x 10W(max) |
Power supply (AC) input | 100-240V |
Power switch | Rocker switch |
Environment | Working temperature | 0℃~40℃ |
Storage temperature | -20℃~60℃ |
Working humidity | 10%~90% No condensation |
Input Interface | RJ45 IN | 1 |
Coax | 1 |
RS232 | 1 |
AV IN | 1 |
YPBPR | 1 |
PC AUDIO | 1 |
VGA | 1 |
VGA&DP TOUCH | 1 |
DP | 1 |
HDMI TOUCH | 2 |
HDMI | 2 |
USB FL | 1 |
USB | 1 |
TF | 1(Max.128g) |
Output Interface | RJ45 OUT | 1 |
HDMI OUT | 1 |
Earphone | 1 |