Dahua 75 inch Smart interactive whiteboard DHI-LPH75-SC470

Built-in System

Operating System

Android 11

CPU

Quad-core A73 + Quad-core A53

CPU Frequency

2.2GHz + 2.0GHz

GPU

MaliG52 MP8

RAM

8 GB

ROM

128 GB

LCD Panel

Panel Dimensions

75 inch

Backlight

D-LED

Aspect Ratio

16:9

Brightness

350 cd/m² (typ.)

Static Contrast

VA: 4000 (typ.); IPS: 1200 (typ.)

Resolution

3840 (H) × 2160 (V) (pixels)

Viewing Angle

178°(H) / 178°(V)

Lifespan

50,000 hours

Display Color

1.07 B/10 bit (8 bit + FRC)

Response Time

8ms (typ.)

Refresh Rate

60 Hz

Build-in Camera

Build-in Camera

13 MP

Distortion

TV Distortion: < 1%

Max. Resolution

4160x3120

Field of View

H: 85.4°; V: 73.1°; D: 57.8°

Device Ports

Light Sensor

Yes

Front Button

NFC
 

1 buttons (power)

Front Ports

Type C × 1 (4K@60 Hz, Touch, 65 W)
HDMI In × 1 (4K@60 Hz)
USB 3.0 Type-B × 1 (Touch)
USB 3.0 Type A × 2
 

Rear Port

Type C × 1 (4K@60 Hz, Touch, 15 W)
HDMI In × 2 (4K@60 Hz)
VGA In × 1 (1080p@60 Hz)
DP In × 1 (4K@60 Hz)
USB 3.0 Type-B × 3 (Touch)
HDMI Out × 1
USB 3.0 Type A × 2
USB 2.0 Type A × 1
TF Card × 1
RS-232 × 1
RJ-45 In × 1
RJ-45 Out × 1
Audio In × 1 (3.5 mm port, used to play sound with VGA)

Mic In × 1 (3.5 mm port)
Audio Out × 1 (3.5 mm port)
SPDIF Out × 1 (Optical port)
OPS slot × 1

Function

Card Swiping with NFC

Yes

Bluetooth

Yes

Wi-Fi

2.4 GHz/5 GHz

Touchscreen

Touch Technology Type

Infrared touch technology

Response Time

8 ms (typ.)

Touch Points

40 Points

Valid Touch

± 1 mm (± 0.04")

Writing Mode

Finger; IR Pen

Communication Mode

USB 2.0

Anti-light Interference

Yes

Surface Hardness

8H (tempered glass)

Touch Resolution

32768 × 32768

Speaker

Built-in Speaker

2

Power

2 × 15 W
 

Frequency

F0–15 kHz deviation–10 dB Max

Microphone

Microphone

6 arrays

Pick-up Distance

8 m (26.25 ft); angle: 45°–135°

AGC

Yes

Echo Cancellation

Yes

Intelligent Noise Filtering

Yes

General

Power Supply

100–240 VAC, 50/60 Hz

Power Consumption

75-inch:380W(MAX)
 

Standby Power Consumption

≤0.5 W

Operating Temperature

0 °C to +40 °C (+32 °F to +104 °F)

Storage Temperature

–10 °C to +60 °C (14 °F to 140 °F)

Operating Humidity

20%–80% (RH), non-condensing

Storage Humidity

10%–80% (RH), non-condensing

Product Material

Metal

Glass

3.2 mm anti-dazzling tempered glass (0.13" anti-dazzling tempered glass)

Casing Color (Frame/Rear)

Black and Dark Grey /Black

Product Dimensions

75-inch:1,721.9 mm x 87.4 mm x 1,023 mm (67.79" × 3.44" × 40.28") (L × W × H)

Frame Size

75-inch:U: 16.8 mm, L/R: 15.5 mm, D: 42.3 mm (U: 0.66"; L/R: 0.61"; D: 1.67")
 

Packaging Dimensions

75-inch:1,880 mm × 280 mm × 1,160 mm (74.02" × 11.02" × 45.67")
 

Net Weight

75-inch:50.5 kg (111.33 lb)
 

Gross Weight

75-inch:68 kg (149.91 lb)
 

Installation

Wall mount; mobile bracket

Packing List

Smart interactive whiteboard × 1
Power cord × 1
Passive stylus pen × 2
HDMI cable × 1
USB touch cable × 1
Wall mount bracket (already installed on the whiteboard) × 1
Accessory package × 1
Remote control × 1