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 | ||||








