Màn Hình Tương Tác Thông Minh 75 inch Dahua LPH75-ST470-P

Built-in System

Operating System

Android 11

CPU

Quad-core A73 + Quad-core A53

CPU Frequency

2.2GHz + 2.0GHz

GPU

ARM Mali-G52 MP8 (8EE)

RAM

8 GB

ROM

64 GB (optional 128 GB)

LCD Panel

Panel Dimensions

65 inch; 75 inch; 86 inch

Backlight

DLED

Aspect Ratio

16:09

Brightness

400 cd/m² (typ.)

Static Contrast

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

Resolution

3840 × 2160

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

Plug-in Camera (sold separately)

Plug-in Camera

48 MP

Auto Control

Auto white balance

Distortion

–8.6%

Max. Resolution

3840 × 2160@30 fps

Field of View

H: 87°; V: 49°; D: 99°

Device Ports

Light Sensor

Yes

Front Button

8 buttons (power, home, menu, signal source, touch lock, curtain, volume, and annotation)

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
Mic In × 1 (3.5 mm port)

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
Micro USB × 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)
Audio Out × 1 (3.5 mm port)
SPDIF Out × 1 (Optical port)
OPS slot × 1

Function

IR Receiver

Yes

Bluetooth

Bluetooth 5.2

Wi-Fi

WIFI 5, 2.4 GHz/5 GHz; Integrated Wi-Fi 802.11 a/b/g/n/ac, supports PEAP/EAP-GTC authentication protocol within 802.l×

Wireless Access Point

WIFI 6, 2.4 GHz/5 GHz; Supports enabling hotspot and Wi-Fi at the same time

Touchscreen

Touch Technology Type

Infrared touch technology

Attachment Method

Zero Air Gap

Response Time

≤10 ms

Touch Points

Android: 32, Windows: 40

Touch Accuracy

± 1 mm (0.04″) (over 90% area)

Valid Touch

2 mm (0.08″)

Touch Height

3 mm (0.12″)

Writing Mode

Finger + Pen

Communication Mode

USB

Anti-light Interference

Anti-dazzle tempered glass

Surface Hardness

8H

Touch Resolution

32767 × 32767

Speaker

Built-in Speaker

3

Power

2.1 channel
front-end: 2 × 15 W (Ma×.)
Back-end: 20 W (Ma×.)

Frequency

20 kHz–200 kHz

Microphone

Microphone

8-array

Pick-up Distance

6 m–10 m (19.69 ft–32.81 ft )

AGC

Yes

Echo Cancellation

Yes

Polar Pattern

Omni-directional

Intelligent Noise Filtering

Yes

General

Power Supply

100–240 VAC, 50/60 Hz

Power Consumption

65-inch: 120 W (typ.); 300 W (ma×.);
75-inch: 150 W (typ.); 350 W (ma×.);
86-inch: 250 W (typ.); 500 W (ma×.)

Standby Power Consumption

≤0.5 W

Operating Temperature

0 °C to +40 °C (+32 °F to +104 °F)

Storage Temperature

–10 °C to +50 °C (+14 °F to +122 °F)

Operating Humidity

10%–90% (RH)

Storage Humidity

10%–90% (RH)

Product Material

Metal

Glass

4 mm Anti-dazzle tempered glass

Casing Color (Frame/Rear)

Bottom/top: Silver; left/right: black; back: black

Product Dimensions

65-inch: 1,485.2 mm × 93.0 mm × 924.5 mm

(58.47″ × 3.66″ × 36.40″)
75-inch: 1,707.5 mm × 93.0 mm × 1,050.0 mm (67.22″ × 3.66″ × 41.34″)
86-inch: 1,953.2 mm × 93.0 mm × 1,187.9 mm (76.90″ × 3.66″ × 46.77″)

Packaging Dimensions

65-inch: 1,580.0 mm × 200.0 mm × 1030.0 mm (62.20″ × 7.87″ × 40.55″)
75-inch: 1,800.0 mm × 200.0 mm × 1,165.0 mm (70.87″ × 7.87″ × 45.87″)
86-inch: 2,050.0 mm × 200.0 mm × 1,310.0 mm (80.71″ × 7.87″ × 51.57″)

Net Weight

65-inch: 42 kg (92.60 lb)
75-inch: 54 kg (119.05 lb)
86-inch: 70 kg (154.33 lb)

Gross Weight

65-inch: 52 kg (114.64 lb)
75-inch: 68 kg (149.92 lb)
86-inch: 85 kg (187.40 lb)

Holes Distance

65-inch: 500 mm × 400 mm (19.69″ × 15.75″)
75-inch: 600 mm × 400 mm (23.62″ × 15.75″)
86-inch: 800 mm × 400 mm (31.50″ × 15.75″)

Installation

Wall mount; mobile bracket

Packing List

Smart interactive whiteboard × 1
Power cord × 1
Passive stylus pen × 2
HDMI cable × 1
Quick start guide × 1
Wall mount bracket (already installed on the whiteboard) × 1
Accessory package × 1
Remote control × 1
Legal and Regulatory Information × 1

Certification

Certifications

CB, CE, Energy Star, ROHS, REACH, WEEE