Dahua Technology 75" UHD Smart Interactive Whiteboard 4K display Built-in 5-MP camera

Built-in System

Operating System of External Module

Android 9.0

CPU

Quad-core A55

CPU Frequency

1.9 GHz

GPU 

Mali-G31 MP2

RAM

4 GB

ROM

32 GB

WiFi

Dual-band 2.4 Ghz/5 Ghz

Wi-Fi Hotspot

Dual-band 2.4 Ghz/5 Ghz; supports enabling hotspot and Wi-Fi at the same time

LCD Panel

Panel Dimensions

55-inch; 65-inch; 75-inch; 86-inch

Backlight

DLED

Aspect Ratio

16:9

Brightness

55-inch: 300 cd/m²; 65-inch: 350 cd/m²; 75-inch: 350 cd/m²; 86-inch: 400 cd/m²

Resolution

3840 (H) × 2160 (V)
UI: 1920 (H) × 1080 (V)

Viewing Angle

H: 178°; V: 178°

Lifespan

50,000 hours

Refresh Rate

60 Hz

Static Contrast

1200:1

Camera

Pixel

5 MP

Auto Control

Auto white balance

Distortion

≤ 5%

Max. Resolution

Android: 1080p@30fps; OPS: 2560 × 1440@30fps

Field of View

H:84.5°; V: 54.0°; D: 93.1°