Dahua 75-inch 4K UHD Interactive Smart Whiteboard DHI-LCH75-MC410-B-S2

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Brand New & Sealed with Manufacturer Warranty

Dahua 75-inch 4K UHD Interactive Smart Whiteboard DHI-LCH75-MC410-B-S2

Features:

• Android 14, Enhanced Security and Data Protection
• CPU: Quad-Core A55
• 8 GB RAM + 64 GB ROM
• Camera + Mic: 48 MP + 6-Mic Array (12 m Pickup Distance)
• Speaker: 2 × 15 W
• Dual Wi-Fi 6
• Type-C (5 W Charging) + BYOM

Technical Specifications:

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
Storage Capacity: 64 GB
NFC: No

Functions
Supported External Module Operating Systems:

• Windows 7
• Windows 8
• Windows 10
• Windows 11

Wireless Access Point: Yes
IR Receiver: 1

Display
Screen Size: 75 Inch
Backlight Type: DLED
Aspect Ratio: 16:9
Brightness: 350 Cd/m² (Typical)
Resolution: 3840 × 2160
Viewing Angle:

• Horizontal: 178°
• Vertical: 178°

Display Lifespan: 50,000 Hours
Display Color: 72% NTSC
Refresh Rate: 60 Hz
Static Contrast Ratio: IPS 1200:1 (Typical)
Response Time: 8 Ms (Typical)

Camera
Camera Resolution:

• Android Photo: 48 MP
• Android Video: 4 MP
• Windows Photo: 4 MP
• Windows Video: 4 MP

Auto Control: Auto White Balance
Distortion: 5%
Maximum Resolution: 2560 × 1440 - 30 Fps

Field Of View:

• Diagonal: 88°
• Horizontal: 79°
• Vertical: 51°

Face Detection: No

Ports & Connectivity
Front Ports:

• 1 X USB 2.0

Rear Ports:

• 1 X USB 3.2 Gen 1 Type-A
• 1 X USB 2.0 Type-A
• 1 X Micro USB 2.0
• 1 X DB9 Male Connector
• 2 X HDMI 2.0 Input (4K - 60 Hz)
• 1 X RJ-45
• 1 X 3.5 Mm Line-Out Port
• 1 X Touch Port
• 1 X USB Type-C (USB 2.0 Device + 5 W Charging)

Front Button:

• 1 X Power Button

Light Sensor: 1

Wi-Fi: Yes
Wi-Fi Modes:

• 1 X Station
• 1 X AP

Wi-Fi Standards:

• 802.11b/g/n/a/ac/ax

Wi-Fi Frequency Range:

• 2400—2483.5 MHz
• 5150—5350 MHz
• 5470—5725 MHz
• 5725—5850 MHz

Maximum Wi-Fi Transmission Power:

• 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: BR/EDR/BLE, Bluetooth 5.2
Bluetooth Frequency Range: 2400—2483.5 MHz
Maximum Bluetooth Transmission Power: 20 DBm - 2400—2483.5 MHz

Other Ports:

• 1 X Touch Port

Touchscreen
Touch Technology: Infrared
Attachment Method: Non-Lamination
Touch Points:

• Android: 32 Points
• Windows: 40 Points

Valid Touch Accuracy: 2 Mm (Over 90% Touch Area)
Writing Mode: Finger + Magnetic Stylus Pen
Touch Height: 0.99 Mm (Average)
Anti-Light Interference: Anti-Dazzle Tempered Glass
Surface Hardness: 9H
Touch Resolution: 32767 × 32767

Audio
Speaker Frequency Range: 150 Hz—20 KHz
Speaker Configuration: 2.0 Channel Front-End
Speaker Output: 2 X 15 W
Built-In Speakers: 2

Microphone
Microphone Array: 8 Arrays
Pick-Up Distance: 8 M—12 M (26.25 Ft—39.37 Ft)
AGC Support: Yes
Echo Cancellation: Yes
Polar Pattern: Omnidirectional
Intelligent Noise Filtering: Yes

Power
Power Supply: 100—240 VAC, 50/60 Hz
Power Consumption:

• 141.5 W (Basic)
• 270 W (Maximum)

Standby Power Consumption: 0.5 W

Environmental
Operating Temperature: 0°C To +40°C (+32°F To +104°F)
Storage Temperature: -20°C To +60°C (-4°F To +140°F)
Operating Humidity: 10%—90% RH, Non-Condensing
Storage Humidity: 10%—90% RH, Non-Condensing

Physical Specifications
Product Material: Metal Casing
Protective Glass: 3.2 Mm Anti-Dazzle Tempered Glass
Casing Color: Black Sides With Starry Gray Top And Bottom

Product Dimensions: 1707.6 × 115.7 × 1038.5 Mm
Frame Size:

• Top Border: 35.3 Mm
• Left And Right Borders: 17.5 Mm
• Bottom Border: 40 Mm

Packaging Dimensions: 1875 × 227 × 1177 Mm
Net Weight: 50 Kg
Gross Weight: 58.4 Kg
VESA Mount Pattern: 600 × 400 Mm

Installation Options:

• Wall Mount
• Mobile Bracket

What's in the Box:

• 1 X Smart Interactive Whiteboard
• 1 X Wireless Plug-In Module
• 1 X Power Cord
• 2 X Stylus Pens
• 1 X Quick Start Guide
• 1 X Legal And Regulatory Information
• 1 X Wall Mount Bracket
• 1 X Accessory Package
• 1 X Remote Control