- Contact Person : Mr. luo gavin
- Company Name : Shenzhen Hedwin Technology Co., Ltd.
- Tel : 86-755-29970096
- Fax : 86-755-29799050
- Address : Guangdong,shenzhen,2F, A9 Building, YinTian Industrial Zone,BaoAn Area
- Country/Region : China
- Zip : 518102
Interactive white board
Technical information:
Inductive transmission mode:Optical detector
Location indicator:Pressure
Pen:Pen for receiving signal
Display screen: Projection screen or LCD screen
Largest projected area:All sizes of equipment(10 inch-100 inch)
Horizontal angle of receiving signals:±60 centigrade
Angle of elevation for receiving signals:±45 centigrade
Operating distance (straight-line distanc from the receiver to the screen):0.5 ~ 10 m
Communication interface/Effective communication distance:USB/0.5-1m(longest) or customized
Coordinate calibration:Automatic positioning
Positioning accuracy:Screen drifting of central position <±1pixel point
Resolution ratio:Compatible with all resolution ratio in a device
Time delay:Typical value:32 millisecond(changes with the speed of computer)
Speed of Cursor:100 dot/second
Power supply:USB for power supply
Working Voltage:DC4.6V ~ DC5V
Power dissipation:< 1 W
Service life of touch panel:No direct touch with screen,long service life time
Working temperature:-10 °C ~ 50 °C
Working humidity:20% ~ 80%
Temperature of storage:-30 °C ~ 60 °C
Humidity of storage: 0% ~ 95%
Apperance:Black or white,plastic or metal shell
Interactive white board