| 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 | |||||
| Lcd display size | 65inch | 75inch | 85inch | 98inch | |
| Model No. | QD-IB-IR80-65 | QD-IB-IR80-75 | QD-IB-IR80-85 | QD-IB-IR80-98 | |
| Lcd display | Lcd display type | AUO/CHIMEI/TCL CSOT LCD panel | AUO/CHIMEI/TCL CSOT LCD panel | AUO LCD panel | LG LCD panel |
| Backlight | D-LED | D-LED | D-LED | D-LED | |
| resolution | 3840*2160 | 3840*2160 | 3840*2160 | 3840*2160 | |
| Overall brightness | ≥350cdm | ≥350cdm | ≥350cdm | ≥350cdm | |
| Contrast ratio | 4000:1 | 6000 :1 | 4000:1 | 1200:1 | |
| Response time | 5ms | 5ms | 5ms | 6ms | |
| Pixel pitch | 0.124 ×0.372 mm (H×V) | 0.4298 x 0.4298 mm | 0.4875 x 0.4875 mm | 0.5622 mm x 0.5622 mm | |
| Refresh rate | 60Hz | 60Hz | 60Hz | 60Hz | |
| Viewing angle | 178/178 | 178/178 | 178/178 | 178/178 | |
| Color saturation (x% NTSC) | 72% | 72% | 72% | 72% | |
| Lcd display area | 1428.48*803.52mm | 1650.24 (H) ×928.26 (V)mm | 1872 (H) ×1053 (V)mm | 2158.85 (H)*1214.35(V)mm | |
| Lcd display color | 8 bit/1.07 Billion | 8 bit/1.07 Billion | 8 bit/1.07 Billion | 8 bit/1.07 Billion | |
| Screen life | ≥30000h | ≥30000h | ≥30000h | ≥30000h | |
| Aspect ratio | 16:9 (H:V) | 16:9 (H:V) | 16:9 (H:V) | 16:9 (H:V) | |
| Touch screen | Touch technology | Infrared touch screen | Infrared touch screen | Infrared touch screen | Infrared touch screen |
| Glass | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | 4mm tempered glass (anti-glare optional) | |
| Glass hardness | 7Mohs | 7Mohs | 7Mohs | 7Mohs | |
| Multi-touch point | 20 points multi-touch | 20 points multi-touch | 20 points multi-touch | 20 points multi-touch | |
| Response time | 5ms | 5ms | 5ms | 5ms | |
| Touch accuracy | ±2mm | ±2mm | ±2mm | ±2mm | |
| Touch diameter | ≥3mm | ≥3mm | ≥3mm | ≥3mm | |
| Input | Finger, pen or any opaque object | Finger, pen or any opaque object | Finger, pen or any opaque object | Finger, pen or any opaque object | |
| Interface Type | USB 2.0 full speed | USB 2.0 full speed | USB 2.0 full speed | USB 2.0 full speed | |
| Operating Voltage | DC+5V ±6% | DC+5V ±6% | DC+5V ±6% | DC+5V ±6% | |
| Power consumption | ≤2 W | ≤2 W | ≤2 W | ≤2 W | |
| OPS (pluggable) | Chip | HM87 | HM87 | HM87 | HM87 |
| CPU | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | Intel core i3-4000M (optional i5, i7) | |
| Core and main frequency | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | 2 cores 4 threads 2.40GHz | |
| RAM | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | 4GB DDR3 (optional 8GB) | |
| Harddisk | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | 128G SSD (optional 256GB) | |
| I/o ports |
JAE connector (80pin
VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 |
JAE connector (80pin
VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 |
JAE connector (80pin
VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 |
JAE connector (80pin
VGA*1 HDMI*1 Rj45 Gigabit *1 USB3.0*2 USB2.0*4 Auio out*1 MIC in *1 Rs232*1 DP*1 |
|
| System | Windows 10 | Windows 10 | Windows 10 | Windows 10 | |
| Android system | System | Android 8.0 | Android 8.0 | Android 8.0 | Android 8.0 |
| CPU | CA53*2+CA73*2 | CA53*2+CA73*2 | CA53*2+CA73*2 | CA53*2+CA73*2 | |
| CPU working frequency | 1.5 GHz | 1.5 GHz | 1.5 GHz | 1.5 GHz | |
| CPU cores | quad core | quad core | quad core | quad core | |
| GPU | G51MP2 | G51MP2 | G51MP2 | G51MP2 | |
| RAM | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | 2 GB DDR4 (optional 3GB) | |
| Storage | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | 16 GB Standard (optional 32GB) | |
| Chinese Simplified,traditional Chinese ,English,Japanese,Russian,German,French,Polish,Spanish,Portuguese,Arabic,Catalonia,Galician,Vietnamese,Ukrainian,Kazakh,Korean,Thai,Bulgarian | |||||
| Power | Voltage | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz | 100 V ~ 240 V/AC, 50/60 Hz |
| Maximum power (without OPS) | <=350W | <=350W | <=350W | <=350W | |
| OPS power supply | 19V(DC)/5A | 19V(DC)/5A | 19V(DC)/5A | 19V(DC)/5A | |
| Standby power consumption | <0.5W | <0.5W | <0.5W | <0.5W | |
| Power (AC) input | *1 | *1 | *1 | *1 | |
| TV system | TV | ATV (PAL,SECAM) | ATV (PAL,SECAM) | ATV (PAL,SECAM) | ATV (PAL,SECAM) |
| DTV (DTMB) | DTV (DTMB) | DTV (DTMB) | DTV (DTMB) | ||
| Video decoding | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | Image motion noise reduction, motion adaptive filtering, etc. | |
| Channel storage | 200 | 200 | 200 | 200 | |
| Stereo surround sound | yes | yes | yes | yes | |
| Audio | Speaker | 10W * 2 | 10W * 2 | 10W * 2 | 10W * 2 |
|
Ports
(on the machine, excluded OPS ports) |
LAN input | *2 | *2 | *2 | *2 |
| VGA input | *1 | *1 | *1 | *1 | |
| PC-AUODIO input | *1 | *1 | *1 | *1 | |
| YPBPR | *1 | *1 | *1 | *1 | |
| AV in | *1 | *1 | *1 | *1 | |
| AV out | *1 | *1 | *1 | *1 | |
| Earphone out | *1 | *1 | *1 | *1 | |
| RF-IN | *1 | *1 | *1 | *1 | |
| SPDIF | *1 | *1 | *1 | *1 | |
| HDMI input | *2 | *2 | *2 | *2 | |
| Touch | *1 | *1 | *1 | *1 | |
| RS-232 | *1 | *1 | *1 | *1 | |
| USB2.0 | *2 | *2 | *2 | *2 | |
| HDMI out | *1 (Optional) | *1 (Optional) | *1 (Optional) | *1 (Optional) | |
| Environment | Operating temperature | 0 ºC ~ 40ºC | 0 ºC ~ 40ºC | 0 ºC ~ 40ºC | 0 ºC ~ 40ºC |
| stored temperature | -10 ºC ~ 60ºC | -10 ºC ~ 60ºC | -10 ºC ~ 60ºC | -10 ºC ~ 60ºC | |
| software | Smart white board software for education | Smart white board software for education | Smart white board software for education | Smart white board software for education | Smart white board software for education |
| Share screen | Share screen | Share screen | Share screen | Share screen | |
| Interactive presenter | Interactive presenter | Interactive presenter | Interactive presenter | Interactive presenter | |
| Conference meeting software | Conference meeting software | Conference meeting software | Conference meeting software | Conference meeting software | |
| Online interactive class | Online interactive class | Online interactive class | Online interactive class | Online interactive class | |