classroom tv touch screen interactive smart whiteboard with computer digital signage smart board kiosk
Display parameters
| Backlight type
| LED | |||
Screen resolution | 3840(H)×2160(V) | ||||
Perspective | 165/165/150/150(L/R/U/D) | ||||
colour | 66.8M | ||||
brightness | 500cd/m2 | ||||
Contrast | 5000:1 | ||||
Response time | 4ms | ||||
Effective display area | 1875(H)×10551mm(V) | ||||
Touch screen parameters | Principle of Identification | Infrared recognition | |||
Multi-touch | 6/10 touch dot | ||||
Anti-light interference | The screen can be used normally when illuminating the screen at various angles | ||||
Notation | Fingers, pens, any opaque objects with a diameter> 5mm | ||||
Touch accuracy | >95% touch area ±2mm
| ||||
communication method | full speed USB2.0/3.0 | ||||
Surface hardness of writing screen | Physical tempering mode 7-level explosion-proof | ||||
Touch screen service life | >80000 hour | ||||
PC Configuration | CPU | Standard Intel I3/I5 optional
| |||
RAM | Standard 4G DDR3 | ||||
hard disk | 2.5''/7200 turn 500G |