75′ Interactive Flat Panel 4K LED Touch Screen

55 65 75 86 98inch interactive smart board Whiteboard lcd screen flat panel tvInteractive board is a multi functional interactive terminal, which integrated with interactive whiteboard, TV, speaker, touch screen, computer and multi-media player. The lcd whiteboard is widely used in education, conference and commercial. Such as network multi-media education system, training active recording system, company products demonstration, car shops product experiencing system, building information checking system.Features:1. Size available: 55inch 65inch 75inch 85inch 98inch 120inch2. double system: android and windows/linux3. windows: i3 i5 i7 for choice4. android: 6.0 7.0 8.0 9.0,  2+16GB, 3+32GB, 4+32GB for choice.5. 4mm anti-explosion tempered glass (Mohs 7)   1kg iron boll hit on the screen no damage. Anti-glare  protect teachers and students eyes. Anti-lightning, anti-static, anti-impact, fire prevention, anti-corrosion, anti-radiation, anti-scratch, Touch screen anti-blocking.6. Euducational software: zoom in zoom out, different color page, different color pens, resourses, simulations.7. QR code scan take away the files.8. with built-in camera and microphones for video conferencing.9. screen annotation.10. OEM ODM 11. writting pens and smart pen    Lcd display size65inch75inch85inch98inch Model No.QD-IB-IR80-65QD-IB-IR80-75QD-IB-IR80-85QD-IB-IR80-98Lcd display Lcd display typeAUO/CHIMEI/TCL CSOT LCD panelAUO/CHIMEI/TCL CSOT LCD panelAUO LCD panelLG LCD panel BacklightD-LEDD-LEDD-LEDD-LED resolution3840*21603840*2160 3840*2160 3840*2160  Overall brightness≥350cdm≥350cdm≥350cdm≥350cdm Contrast ratio4000:16000:14000:11200:1 Response time5ms5ms5ms6ms Pixel pitch0.124×0.372 mm (H×V)0.4298  x 0.4298 mm0.4875 x 0.4875 mm0.5622 mm x 0.5622 mm Refresh rate60Hz60Hz60Hz60Hz Viewing angle178/178178/178178/178178/178 Color saturation (x% NTSC)72%72%72%72% Lcd display area1428.48*803.52mm1650.24 (H)×928.26 (V)mm1872 (H)×1053 (V)mm2158.85(H)*1214.35(V)mm Lcd display color8 bit/1.07 Billion8 bit/1.07 Billion8 bit/1.07 Billion8 bit/1.07 Billion Screen life≥30000h≥30000h≥30000h≥30000h Aspect ratio16:9 (H:V)16:9 (H:V)16:9 (H:V)16:9 (H:V)Touch screenTouch technologyInfrared 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 hardness7Mohs7Mohs7Mohs7Mohs Multi-touch point20 points multi-touch20 points multi-touch20 points multi-touch20 points multi-touch Response time5ms5ms5ms5ms Touch accuracy±2mm±2mm±2mm±2mm Touch diameter≥3mm≥3mm≥3mm≥3mm InputFinger, pen or any opaque objectFinger, pen or any opaque objectFinger, pen or any opaque objectFinger, pen or any opaque object Interface TypeUSB 2.0 full speedUSB 2.0 full speedUSB 2.0 full speedUSB 2.0 full speed Operating VoltageDC+5V±6%DC+5V±6%DC+5V±6%DC+5V±6% Power consumption≤2 W≤2 W≤2 W≤2 WOPS (pluggable)ChipHM87HM87HM87HM87 CPUIntel 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 frequency2 cores 4 threads 2.40GHz2 cores 4 threads 2.40GHz2 cores 4 threads 2.40GHz2 cores 4 threads 2.40GHz RAM4GB DDR3 (optional 8GB)4GB DDR3 (optional 8GB)4GB DDR3 (optional 8GB)4GB DDR3 (optional 8GB) Harddisk128G SSD  (optional 256GB)128G SSD  (optional 256GB)128G SSD  (optional 256GB)128G SSD  (optional 256GB) I/o portsJAE connector  (80pinVGA*1HDMI*1Rj45  Gigabit *1USB3.0*2USB2.0*4Auio out*1MIC in *1Rs232*1DP*1JAE connector  (80pinVGA*1HDMI*1Rj45  Gigabit *1USB3.0*2USB2.0*4Auio out*1MIC in *1Rs232*1DP*1JAE connector  (80pinVGA*1HDMI*1Rj45  Gigabit *1USB3.0*2USB2.0*4Auio out*1MIC in *1Rs232*1DP*1JAE connector  (80pinVGA*1HDMI*1Rj45  Gigabit *1USB3.0*2USB2.0*4Auio out*1MIC in *1Rs232*1DP*1 SystemWindows 10Windows 10Windows 10Windows 10Android systemSystem Android 8.0Android 8.0Android 8.0Android 8.0 CPU CA53*2+CA73*2CA53*2+CA73*2CA53*2+CA73*2CA53*2+CA73*2 CPU working frequency1.5 GHz1.5 GHz1.5 GHz1.5 GHz CPU coresquad corequad corequad corequad core GPUG51MP2G51MP2G51MP2G51MP2 RAM2 GB DDR4         (optional 3GB)2 GB DDR4         (optional 3GB)2 GB DDR4         (optional 3GB)2 GB DDR4         (optional 3GB) Storage16 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,BulgarianPower Voltage100 V ~ 240 V/AC, 50/60 Hz100 V ~ 240 V/AC, 50/60 Hz100 V ~ 240 V/AC, 50/60 Hz100 V ~ 240 V/AC, 50/60 Hz Maximum power (without OPS)