DAHUA LPH75-MT440-C 75'' UHD Smart Interactive Whiteboard

Built-in System

Operating System

Android 8.0

CPU

Dual-core A53 + dual-core A73

CPU Frequency 

1.5 GHz

GPU

Mali-G51

RAM

4 GB

ROM

32 GB

LCD Panel

Panel Dimensions

65-inch; 75-inch; 86-inch

Brightness

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

Contrast

1200: 1

Resolution

3840 (H ) × 2160 (V)

Aspect Ratio

16: 9

Backlight

DLED

Lifespan

30,000 hours

Viewing Angle

H: 178°; V: 178°

Touchscreen

Touch Technology Type

Infrared touch technology

Touch Points

20

Writing Mode

Finger + Pen

Response Time

<10 ms

Valid Touch

2 mm

Communication Mode

USB

Camera

Pixel

8 MP (live view)

Auto Control

Auto white balance

Distortion

≤5%

Max. Resolution

4K@30 fps

Field of View

H: 104°; V: 70.2°; D: 112.7°

Speaker

Built-in Speaker

3

Power

Full frequency: 15 W × 2; bass: 15 W × 1

Microphone

Pick-up Distance

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

Number of Microphones

8

AGC

Yes

Echo Cancellation

Yes

Intelligent Noise Filtering

Yes

Polar Pattern

Omnidirectional

Fingerprint

Fingerprint Capacity

256

Fingerprint Resolution

508 DPI

FAR

<0.001%

FRR

<0.1%

Function

Operating System of External Module

Windows 7/8/10;Android

WiFi

Dual-band 2.4G/5G

Wi-Fi Hotspot

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

Device Ports

Light Sensor

1

Front Button

1 × power button

Front Ports

1 × HDMI IN; 1 × touch; 2 × USB3.0

Network Port

2 × RJ-45

Wi-Fi

1 × Wi-Fi; 1 × Hotspot

USB

3 × USB3.0; 1 × USB2.0

RS-232

1 × RS-232

Video Input

3 × HDMI IN; 1 × DP; 1 × MINI AV IN; 1 × MINI YPBPR; 1 × VGA IN

Video Output

1 × HDMI OUT

Audio Input

1 × 3.5 mm; 1 × MIC IN

Audio Output

1 × 3.5 mm (EarPhone OUT); 1 × SPDIF

IrDA

1

Others

2 × Touch

General

Power Supply

100–240 VAC, 50/60 Hz

Power Consumption

65-inch: 150 W; 75-inch: 300 W; 86-inch: 400 W

Product Dimensions

65-inch: 1,504.5 mm × 952.5 mm × 86.1 mm (59.23" × 37.5" × 3.39");
75-inch: 1,715.5 mm × 1,066.7 mm × 85.4 mm (67.54" × 42.00" × 3.36");
86-inch: 1,960.8 mm × 1,204.7 mm × 85.4 mm (77.20" × 47.43" × 3.36")

Packaging Dimensions

65-inch: 1,660 mm × 1,045 mm × 245 mm (65.35" × 41.14" × 9.65")
75-inch: 1,880 mm × 1,160 mm × 280 mm (74.02" × 45.67"" × 11.02")
86-inch: 2,140 mm × 1,340 mm × 280 mm (84.25" × 52.76" × 11.02")

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

Casing Color (Frame/Rear)

Bottom: Space gray; top/left/right: black

Net Weight

65-inch: 44 kg (97.00 lb)
75-inch: 54 kg (119.05 lb)
86-inch: 66.75 kg (147.16 lb)

Gross Weight

65-inch: 56 kg (123.46 lb)
75-inch: 71.5 kg (157.63 lb)
86-inch: 87.05 kg (191.91 lb)

Installation

Wall mount; floor-standing