Complaint
| Screen | Size | 55 inch | 65inch | 75 inch | 86 inch | |
| Visual size(mm) | 1210x680 | 1429x804 | 1650x928 | 1872x1053 | ||
| Screen brand | LG/AUO/CHIMEI/BOE | LG/AUO/CHIMEI | ||||
| Panel type | a-Si TFT-LCD | |||||
| Display colors | 16.7 Mil(8-bit) | |||||
| Display ration | 16:9 | |||||
| Lifespan(H) | 50000 | |||||
| Resolution(Pixel) | 1920x1080(Full HD) | |||||
| View angle | H: 178°/ V:178° | |||||
| Brightness(cd/m2) | 300-400 | |||||
| Contrast Ration | 1100: 1 | |||||
| Lifespan(H) | 50000 | |||||
| Touch panel | 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 4mm tempered glass | |||||
| Operation system (PC/Andriod dual system) | PC system | Type | Windows 7 /10 | |||
| CPU | Intel Corel I3(I5/I7 optional) | |||||
| Memory | 4G DDR3 (8G optional) | |||||
| Hard disk | 64G SSD (128G/256G optional) | |||||
| Network | 1000m LAN, Realtek 8111W.2*LAN/WIFI | |||||
| Andriod system | Type | Andriod 5.1.1 | ||||
| Memory | 2G DDR3 | |||||
| Hard disk | 64G SSD (128G/256G optional) | |||||
| Type | 1000m LAN, Realtek 8111W.2*LAN/WIFI | |||||
| 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 | ||||||
| Others | Software | Whiteboard software, Education software | ||||
| Speaker | 2pcs*10W | |||||
| Connector | DC/USB 2.0*2,USB3.0*2, RJ45(LAN),HDMI/VGA/Audio output | |||||
| 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. | ||||||
| Power | Input voltage: | AC100-240V 50/60Hz | ||||
| Environmental | Working Temperature | -20ºC~40ºC | ||||
| Storage Temperature | -20ºC~60ºC | |||||
