Ultra Thin WLED Touch Screen Interactive Whiteboard In Education
Description Of Touch Screen Interactive Whiteboard
How to choose the size of an all - in - one teaching machine based
on the size of space ? The following is the size of the teaching
machine corresponding to the specific space :
1. 55 inches for 5 - 15 square meters ;
2. 65 inches for 5 - 20 square meters ;
3. 75 inches for 20 - 30 square meters ;
4. 86 inches for 35 - 50 square meters ;
5. 98 inches is suitable for 50 square meters and above space .
Feature Of Touch Screen Interactive Whiteboard
1. According to your market demand , we will recommend different
sizes of teaching all - in - one machines from 55 inches to 100
inches to you ;
2. You can write and record more content , freely turn the page to
query the content of the previous written record , convenient
writing erasure , annotation and screenshot .
3. Optional anti - glare screen , more beautiful picture display
effect , better audio and video multimedia material demonstration
effect ;
4. The content of computer and mobile phone can be put on the same
screen to the teaching machine at any time ;
5. The same price , more extreme and stable enjoyment, one device
instead of multiple devices ;
6. Humanity function , faster , four split screen projection ,
clear contrast , built - in cloud meeting ; Intelligent human -
computer interaction experience , can cooperate with the video
recording system , multimedia course recording .
Specification Of Touch Screen Interactive Whiteboard
| LCD panel | Size | 55inch |
| Panel brand | SAMSUNG , LG , AU ( gauge A screen ) |
| Type | TFT - LCD S - PVA |
| Resolution | 3840 × 2160 UHD |
| Brightness | 450cd / m² |
| Ratio contrast | 2000 : 1 |
| Visual angle ( horizontal / vertical ) | 178° / 178° |
| Response time | 8ms |
| Visual area ( mm ) | 1209.6 ( W ) ×680.4 ( H ) mm |
| pigment | 16700000 color 24Bit |
| Color gamut ( NTSC ) | 72% |
| Backlight | WLED |
| display scale | 16:9 |
| Response time | ＜ 8ms |
| life | > 60000H |
| Infrared touch characteristic | Touch the specifications | Infrared touch frame |
| glass | 4mm tempered glass |
| Glass transmittance | > 88% ( higher transmittance depends on glass surface treatment
technology such as AR / AG ) |
| Object induction number ( IR ) | Touch at 20 |
| Number of infrared induction lines ( W D ) | 32767 × 32767 |
| Positional accuracy | More than 90% of the touch area is 2mm |
| The interface definition | USB 2.0 ( Full speed ) |
| Touch the strength | Zero pressure touch |
| The light resistance | It has light resistance |
| Induction life | 6 million times |
| The response time | ＜ 8ms |
| The power supply mode | Full duplex usb - powered DC + 5V up to 500mA |
Application Of Touch Screen Interactive Whiteboard
It can be used in preschool education , school teaching , training
institutions , scientific research and other places .
