DAHUA LPH75-ST420-S3 75 inch Smart interactive whiteboard

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SKU: LPH75-ST420-S3
Regular price $100,000.00
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Quality Certifications:

 

LPH75-ST420-S3 75 inch Smart interactive whiteboard

LPH75-ST420-S3

75 inch Smart interactive whiteboard

> 75-inch 4K DLED display with Zero Air Gap technology that delivers a clear image in sharp, vivid colors. Wireless screen sharing from multiple devices with an intuitive, easy-to-use system.
> 8 physical front buttons for quick access to functions. Smooth writing experience, and AI recognition of drawings. Quick file sharing by scanning a QR code, with easy file encryption for added privacy and security.
> Switches between Android and Windows, and OPS module is optional.

Built-in System

Operating System

 

Android 14

CPU

 

Quad-core A55

CPU Frequency

 

1.9 GHz

GPU

 

ARM Mali-G52 MP2 (2EE)

RAM

 

8 GB

ROM

 

32 GB

LCD Panel

Panel Dimensions

 

75 inch

Backlight

 

DLED

Aspect Ratio

 

16:9

Brightness

 

400 cd/m² (typ.)

Static Contrast

 

VA: 4000; IPS: 1200

Resolution

 

3840 (H) × 2160 (V)

Viewing Angle

 

178° (H); 178° (V)

Lifespan

 

50,000 hrs

Display Color

 

1.07 Billion colors (10 Bit)

Response Time

 

8 ms (typ.)

Refresh Rate

 

60 Hz

Device Ports

Light Sensor

 

Yes

Front Button

 

8 buttons: Whiteboard, volume,

curtain, touch lock, signal source, navigation bar, homepage, power supply

Front Ports

 

1 × Type -C

1 × HDMI IN

1 × USB Touch

2 × USB 3.2 Gen1 Type-A

1 × 3.5 mm Mic in

1 × Type-C (DP IN (4K@60 fps) + USB 3.0 Host+USB 2.0 device (touch) + PD 65 W); supports wired network sharing

Rear Port

 

1 × Type -C

2 × HDMI IN (4K@60 Hz)

1 × VGA IN

1 × HDMI OUT (4K@60 Hz)

3 × USB Touch

2 × USB3.2 Gen1 Type-A

Audio In: 1 × 3.5 mm Line In

Audio Out: 1 × SPDIF and 1 × 3.5 mm Line out

RS-232: 1 × DB9 port

Micro: 1 × USB

2 × RJ-45

1 × OPS slot

Wi-Fi

 

Yes

Wi-Fi Standard

 

802.11b/g/n/a/ac/ax

Wi-Fi Frequency Range

 

2.4 GHz/5 GHz

MAX Power Transmission (Wi-Fi)

 

CE EIRP:

≤20 dBm@2400–2483.5 MHz; ≤23 dBm@5150–5250 MHz;

≤20 dBm@5250–5350 MHz; ≤27 dBm@5470–5725 MHz;

≤14 dBm@5725–5850 MHz

Bluetooth

 

Yes

Bluetooth Standard

 

EDR, BT2.1/4.2/5.2/5.3

Bluetooth Frequency Range

 

2400–2483.5 MHz

MAX Power Transmission (Bluetooth)

 

CE EIRP:

≤20 dBm@2400–2483.5 MHz;

RFID Modulation Method

 

ASK

RFID Frequency Range

 

13.56 MHz

MAX Power Transmission (RFID)

 

42 dBuA/m @10 m

Function

IR Receiver

 

1

Card Swiping with NFC

 

Yes

Wireless Access Point

 

WIFI 5, 2.4 GHz/5 GHz; Supports enabling Hotsport and WIFi at the same time₩Wi-Fi 6, 2.4 GHz/5 GHz, supports 802.11 a/b/g/n/ac/ax

Touchscreen

Response Time

 

<10 ms

Touch Technology

 

Infrared

Attachment Method

 

Zero Air Gap

Touch Points

 

21 points for Android, and 40 points for Windows

Touch Accuracy

 

±1 mm (0.04")

Valid Touch

 

2 mm (0.08")

Touch Height

 

3 mm (0.12")

Writing Mode

 

Finger and stylus pen

Communication Mode

 

USB

Anti-light Interference

 

Anti-dazzle

Surface Hardness

 

≥9 H

Touch Resolution

 

32,767 × 32,767

Speaker

Built-in Speaker

 

2 × full-frequency speaker

Power

 

2.0 sound channel, front-end: 2 × 15 W₩2.0 sound channel, front-end: 2 × 20 W

General

Power Supply

 

100–240 VAC, 50/60 Hz

Power Consumption

 

75-inch: 150 W (typ.); 275 W (max, without OPS and Quicker Changer)

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)

 

Black frame for left and right, silver frame for top and bottom and black frame for back

Product Dimensions

 

1,707.5 mm × 121.3 mm × 1,050.0 mm (67.23" × 4.48" × 41.34") (L × W × H)

Frame Size

 

Top frame: 27 mm (1.06"); Left and right frame: 16.5 mm (0.65"); Bottom frame: 68 mm (2.68")

Packaging Dimensions

 

1,790.0 mm × 200.0 mm × 1,165.0 mm (70.47" × 7.87" × 45.87") (L × W × H)

Net Weight

 

49.0 kg (108.03 lb)

Gross Weight

 

60.5 kg (133.38 lb)

Holes Distance

 

600 mm × 400 mm (23.62" × 15.75")

Installation

 

Wall mount or mobile bracket

Packing List

 

1 × Smart interactive whiteboard;

1 × Power cord;

2 × Passive stylus pen;

1 × HDMI cabe;

1 × Quick start guide;

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

1 × Accessory package;

1 × Remote control;

1 × Legal and Regulatory Information

Certification

Certifications

 

CE


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