Ultra Thin WLED Touch Screen Interactive Whiteboard In Education
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 ;
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 .
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 .
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