Complaint
| 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 | 0ºC ~ 40ºC | 0ºC ~ 40ºC | 0ºC ~ 40ºC | 0ºC ~ 40ºC |
| stored temperature | -10ºC ~ 60ºC | -10ºC ~ 60ºC | -10ºC ~ 60ºC | -10ºC ~ 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 | |
