IR touch frame : TT42WSize:42" (16:9)(Size/scale optional)Touch Preciseness: 8192*8192Writing Type:Pen or fingerLight Transmittance: ≥92%, up to 100%(without glass)Positioning Accuracy: ≤ 0.2mmAnti-light Intensity: Excellent, direct under the sunlightData Port: USB2.0/Wireless RF2.4G/RS232(optional) Cursor Speed : ≥125 dots/secondTransferring Rate: 12M/SScanning Rate: First point 25ms, consecutive points 8ms