Active Member
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[China]
Address: Block B, 10th Floor, No. 28, Information Road, Haidian District, Beijing, China
Contact name:Alanzo
Beijing Hushida Technology Co.,LTD |
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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 .
