Model Number: HDW-2000 Brand Name: HEDWIN Key Specifications/Special Features: Inductive transmission modeOptical detectorLocation indicator by pressed display screenProjection screen or normal LCD screenProjection area 40-150 inchesHorizontal angle of receiving signals +/- 60 degreeAngle of elevation for receiving signals +/- 45 degreeOperating distance 0.5-10mCommunication interface USBEffective communication distance 0.5-1m ( longest)Coordinate calibrationAuto calibration
Positioning accuracy
Screen drifting of central position Resolution ratio
Compatible with all resolution ratio in a device
Time delay
Typical value: 32 millisecond
Time of cursor 100 dots/second
Power supply USB
Working voltage DC4.6-5V
Power dissipation <1W
Working temperature -10 -- +50 degree C
Working humidity 20% -- 80%
Storage temperature -30 --+60 degree C
Storage humidity 0% -- 95 %