75 UHD smart interactive whiteboard Dahua LCH75-MC410-B

Built-in System

Operating System

Android 9.0

CPU

Quad-core A55

RAM

4 GB

ROM

32 GB

Function

Operating System of External Module

Windows 7/8/10 Android

WiFi

Dual-band 2.4 G/5 G

Wi-Fi Hotspot

Dual-band 2.4 G/5 G supports enabling Hotspot and Wi-Fi at the same time

LCD Panel

Panel Dimensions

65-inch 75-inch 86-inch

Backlight

DLED

Aspect Ratio

16:9

Brightness

65-inch: 350 cd/m² 75-inch: 350 cd/m² 86-inch: 350 cd/m²

Resolution

3840 (H) × 2160 (V)

Viewing Angle

H: 178° V: 178°

Lifespan

50,000 hours

Refresh Rate

60 Hz

Static Contrast

1200:1

Dynamic Contrast

6000:1

Camera

Pixel

5MP

Auto Control

Auto white balance

Distortion

≤5%

Max. Resolution

Android: 1920 × 1080@30 fps

OPS: 2560 × 1440@30 fps

Field of View

H: 79° V: 51° D: 88°

Device Ports

Light Sensor

1

Front Button

1 × power button (right side)

Front Ports

1 × USB 3.0 (left side)

Network Port

1 × RJ-45

Wi-Fi

1 × Wi-Fi 1 × Hotspot

USB

3 × USB 3.0 1 × Micro USB

RS-232

1 × RS-232

Video Input

1 × HDMI IN

Audio Output

1 × 3.5 mm (Line OUT) port

Others

1 × Touch

IrDA

1

Touchscreen

Touch Technology Type

Infrared touch technology

Response Time

< 10 ms

Touch Points

20

Valid Touch

2 mm

Writing Mode

Finger + Pen

Touch Resolution

32767 × 32767

Speaker

Power

Full frequency: 15 W × 2

Built-in Speaker

2

Microphone

Pick-up Distance

Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft)

Number of Microphones

2

AGC

YES

Echo Cancellation

YES

Polar Pattern

Omnidirectional

Intelligent Noise Filtering

YES

General

Power Supply

100–240 VAC, 50/60 Hz

Power Consumption

65-inch: 250 W 75-inch: 300 W 86-inch: 400 W

Standby Power Consumption

0.5 W

Operating Temperature

–10 °C to +45 °C (+14 °F to +113 °F)

Storage Temperature

–20 °C to +55 °C (–4 °F to +131 °F)

Operating Humidity

10%–90%

Storage Humidity

10%–90%

Product Material

Metal casing

Glass

Anti-dazzle tempered glass with a hardness of 7 on the Mohs scale

Glass Thickness

3mm

Casing Color (Frame/Rear)

Bottom: Silver top/left/right: black

Product Dimensions

65-inch (with camera): 1,485 mm × 87 mm × 941 mm (58.46 × 3.43 × 37.05 )
75-inch (with camera): 1,707 mm × 87 mm × 1,066 mm (67.2 × 3.43 × 41.97 )
86-inch (with camera): 1,953 mm × 87 mm × 1,205 mm (76.89 × 3.43 × 47.44 )

Packaging Dimensions

65-inch: 1,587 mm × 225 mm × 1,070 mm (62.48 × 8.86 × 42.13 )
75-inch: 1,810 mm × 235 mm × 1,189 mm (71.26 × 9.25 × 46.81 )
86-inch: 2,056 mm × 235 mm × 1,334 mm (80.94 × 9.25 × 52.52 )

Net Weight

65-inch: 38 kg (83.8 lb)
75-inch: 54 kg (119.1 lb)
86-inch: 64 kg (141.1 lb)

Gross Weight

65-inch version: 46 kg (101.41 lb)
75-inch version: 65 kg (143.30 lb)
86-inch version: 77 kg (169.77 lb)

Mounting Hole Dimensions

65-inch: 500 mm × 400 mm (19.69 × 15.75 )
75-inch: 600 mm × 400 mm (23.62 × 15.75 )
86-inch: 750 mm × 400 mm (29.53 × 15.75 )

Packing List

Smart interactive whiteboard: × 1

Power cord: × 3 (EU/US/UK)

Stylus pen: × 2

Quick start guide: × 1

Wall mount bracket (already installed on the whiteboard) : × 1

Accessory package: × 1

Remote control: × 1