75 Inches Drive-Free Infrared Touch Fram

Gallery

Features

The high precision drive-free infrared touch frame can be used for Android, Windows and other systems in drive-free mode. It can be used for LCD electronic whiteboard, digital signage, intelligent express cabinet, smart TV and other application scenarios.

Tech

Type: Drive-Free Infrared Touch Fram
Model: K750T70

Touch performance
Fit dimensions: 75 inches
Single-point response time: ≤8ms
Single-point uploading frame rate: ≥130Hz
Maximum touch points: 40
Difference resolution: 32768*32768
Positioning accuracy: Above 90% touch area is ±1mm
Recognition space between two points: ＞20mm
Optical resistance ability: ≤100000Lux

Writing characteristics
Single-point writing: Nib diameter≥1.6mm
Multi-point writing: Nib diameter≥2mm
Thick/fine stylus recognition: Fine stylus recognition diameter rage: 1.6mm-3mm; recommendation: 2.8mm
Thick stylus recognition diameter rage: 6mm-9mm; recommendation: 8mm
Finger recognition diameter rage: 11mm-15mm; recommendation: 12mm
Erasing area＞9㎝²

Electric performance
Port type: USB2.0+UART
Operating voltage: DC5V±5%
Power: ≤2W