Dahua 65-inch 4K UHD Interactive Smart Whiteboard DHI-LCH65-MC420-B-S2

Dahua 65-inch 4K UHD Interactive Smart Whiteboard DHI-LCH65-MC420-B-S2

Features:

• 65 inch Smart Interactive Whiteboard
• 4K HD display.
• Supports using both Android and Windows (PC module must be installed).
• Wireless screen sharing from multiple devices, such as phones, computers, and tablets.
• Supports being written on with a stylus.
• Supports Office software, and playing videos and audio files.
• The startup channels are all customizable.
• Wired and wireless network support.
• Built-in 5-MP camera.

Technical Specifications:

Built-In System
Operating System: Android 14
CPU: Quad-Core A73 + Quad-Core A53
CPU Frequency: 2.2 GHz + 2.0 GHz
GPU: ARM Mali-G52 MP8 (8EE)
RAM: 8 GB
Storage Capacity: 64 GB

NFC Features:

• NFC Quick Unlock Support
• Supports Binding Up To 10 Cards

Wi-Fi Hotspot: Dual-Band 2.4 GHz / 5 GHz With Simultaneous Hotspot And Wi-Fi Support

External Module Support
Supported Operating Systems:

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

Display
Screen Size: 65 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
Color Gamut: 90% NTSC (Typical)
Refresh Rate: 60 Hz
Static Contrast Ratio: 1200:1 (Typical)
Response Time: 8 Ms (Typical)

Camera
Camera Resolution:

• Android Photo: 52 MP
• Android Video: 8 MP
• Windows Photo: 8 MP
• Windows Video: 8 MP

Auto Control: Auto White Balance
Distortion: -8.6%
Maximum Resolution:

• Photo: 9632 × 5418
• Video: 3840 × 2160

Field Of View:

• Diagonal: 99°
• Horizontal: 87°
• Vertical: 49°

Face Detection: Yes
Digital Zoom: Up To 9x

Ports & Connectivity

Front Ports:

• 1 X USB Type-C
• 1 X HDMI Input
• 2 X USB 3.2 Gen 1

USB Ports:

• 4 X USB 3.2 Gen 1 Type-A
• 1 X USB 2.0 Type-A
• 1 X Micro USB 2.0

Network Ports:

• 2 X RJ-45

RS-232 Port:

• 1 X DB9 Male Connector

Video Inputs:

• 2 X HDMI 2.0 (4K @ 60 Hz)

Video Outputs:

• 1 X HDMI 2.0 (4K @ 60 Hz)

Audio Outputs:

• 1 X 3.5 Mm Line-Out Port
• 1 X SPDIF Port

Touch Ports:

• 2 X Touch Ports

Type-C Input:

• DP Input (4K @ 60 Fps)
• USB 3.2 Gen 1 Host
• USB 2.0 Device (Touch)
• 5 W Charging

Front Button:

• 1 X Power Button

Light Sensor: 1
IrDA Receiver: 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

RFID Modulation Method: ASK
RFID Frequency Range: 13.56 MHz
Maximum RFID Transmission Power: 42 DBuA/m @ 10 M

Touchscreen
Touch Technology: Infrared
Touch Response Time: ≤3.3 Ms
Touch Points:

• Android: 32 Points
• Windows: 50 Points

Valid Touch Accuracy: 1.5 Mm (Over 90% Touch Area)
Writing Mode: Finger + Magnetic Stylus Pen
Anti-Light Interference: Anti-Dazzle Tempered Glass
Surface Hardness: ≥9H
Touch Resolution: 32,767 × 32,767
Multi-User Writing Points: 10 Points (Over 90% Touch Area)

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

Microphone
Microphone Type: 8-Array Microphones
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:

• 220 W (Basic)
• 300 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
Glass Thickness: 3.2 Mm
Casing Color: Black Sides With Starry Gray Top And Bottom

Product Dimensions: 1485.5 X 87 X 942 Mm
Frame Size:

• Top Border: 40.9 Mm
• Left And Right Borders: 17.5 Mm
• Bottom Border: 65.3 Mm

Packaging Dimensions: 1623 X 227 X 1068 Mm
Net Weight: 41 Kg
Gross Weight: 59.6 Kg
VESA Mount Pattern: 500 X 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 Wall-Mount Screw Package
• 1 X Remote Control