Technology Infrared Technology
Consume Current  <80mA(USB power supply)
Data port USB
writing styles Pen or Finger
transfer speed 12M/s
resist light intensity Directly use under the sunshine
positin precision <0.1mm
scan speed First point 30 ms,continuous point 15ms
Cursor Speed  181dots/second
Projection adapt to resolution 800*600, 1024*768, 1280*1024
Screen Proportion  4:3
Working Temperature  -25°C- - 60°C
Working Humidity 10%-90%
Storage temperature -40°C~60°C
Storage  humidity 10%~95%
Keyboard shortcuts  each Sides 19
The product specification
Dimension (inch) 83 "
Product outside
size(length*wide*thickness ) 1710*1260*36 mm
Product package
size (length, wide,
thickness)  1850*1450*130 mm
Active Input Area 1582*1135 mm
Product weight G/W 27KG, N/W 25KG

<p>Lingyun China Technology Co., Ltd.located in southeast coast China special economic area-Shenzhen. We are a high technology team that profession in R&D interactive electronic equipments. Our products have been widely used in education, army, business,government, service etc area.Lingyun China always insist revolution mind,searching the latest high tech and interactive equipment develop trend, with its advanced tech,easy function, personal design and warmed service we continue to R&D new products, we provide varied and complete solve project for different customers.   We have strong R&D power, self-R&D brands include: Humanboard infrared interactive whiteboard series, Humanboard electromagnetic interactive whiteboard series, Humanboard infrared touch frame series. Just choose Lingyun infrared whiteboard, you will be success</p>