20 Points 75.0 Inch Interactive Touch Screen Smart Class Whiteboard

LCD panel

Screen size

75 inches

Display ratio

16:9

Resolution

3840x2160(4K)

Viewing angle

178°/178°(H/V)

Color

16.7M

Brightness

350cd/㎡

Response time

8ms

Contrast ratio

5000:1

Life

Above 60000hours

Windows system
(OPS)

CPU

Intel i5-4310 CPU, Dual core four threads,2.0GHz

RAM

8GB DDR3

SDD

128GB SDD, 256GB SDD

Operation system

Support Windows7/8/10OS 

Android system
properties

Processor

64-bit architecture CPU and super G51 series GPU,8 cores,1.5GHZ 

Memory

DDR4: 4GB  eMMC:32GB

System version

Android 8.0 OS

Touchscreen

Touchscreen

20 points infrared touchscreen(10 points capacitive touchscreen option)

Glass

4MM, Physical tempered Mohs level 7 explosion-proof (optional anti-glare)

Glass transmittance

≥92%

Frame material

Aluminum alloy frame,PCBA

Touch accuracy

≤1mm

Touch depth

3±0.5mm

Input mode

Opaque object (finger, pen, etc)

Theoretical hits

Same position 60 million times above

Input Interface

1xRJ45 In, 1xCOAX, 1xRS232, 1xAV, 1xYPBPR,1xPC Audio in, 1xVGA,1XVGA&DP Touch,1xDP in, 1xHDMI Touch,1xHDMI,

1xFollow USB3.0,1xUSB2.0,1xTF card,

Output Interface

1xRJ45 Out, 1xHDMI Out, 1xEarphone OUT,

Front Input
interface

2xUSB(Follow),1xTOUCH-USB(motherboard expansion),1xHDMI 2.0(motherboard expansion)

Audio-video
parameters

Camera

1080P Built-in HD camera

Microphone

Line array 4 Mic, intelligent noise reduction, sound pickup distance≤8M 

Power

Voltage

AC100-240V 50/60HZ

Power

≤320W

Standby power

<0.5W

Other

Speaker

2x10W

Working temperature

0°C-50°C

Storage temperature

-20-60 ℃

Working humidity

10%~85%

Storage humidity

10%~85%

Shell material

Aluminum alloy frame, sheet metal back cover

Shell color

Frame(black+silver)  back(black)

Width of frame(T/B/L/R)

29.4/60.6/13.8/13.8 mm

VESA hole site

4-M8 screw hole 600x300 mm

Net weight

70.5±1kg

Bare dimensions

1707.4x1053.9x96mm

Assessories

Manual,Power cable,Triangle fine pen, the remote control,WIFI antenna,wall mount bracket,
Floor standing bracket option

Only show some parameters; for reference when using