Dahua Business 75-inch 4K interactive whiteboard with Android 14

Technical Specifications

• Dahua Business MC410-B-S2 75-inch Interactive Whiteboard
• Android 14 operating system
• Quad-core A55 CPU
• 1.9 GHz CPU frequency
• ARM Mali-G52 MP2 (2EE) GPU
• 8 GB of RAM
• 64 GB of ROM
• Compatibility with external Windows 7/8/10 module
• Dual-band 2.4 GHz / 5 GHz Wi-Fi hotspot with simultaneous hotspot and Wi-Fi support
• 1 light sensor
• 1 front power button

Video and Display

• 75-inch screen with LED backlighting
• 4K UHD resolution of 3840 × 2160
• 4K UI
• 16:9 aspect ratio
• Typical brightness of 350 cd/m²
• 178° horizontal and 178° vertical viewing angles
• Lifespan of 50,000 hours or more
• Color gamut of 72% NTSC or higher
• Refresh rate of 60 Hz
• Typical IPS static contrast ratio of 1,200:1
• Typical screen response time ≤8 ms
• Built-in camera with 48MP photo and 4MP video capabilities
• Maximum camera resolution of 2560 × 1440@30 fps
• Automatic white balance
• Distortion ≤5%
• Field of view: 88° diagonal, 79° horizontal, and 51° vertical

Functionalities

• Support for Office files, images, video, audio, PDF, and TXT
• Installation of Microsoft Office and related software
• Playback of audio and video files in various formats
• File sharing via QR code
• QR code encryption and decryption with 6-digit password verification
• Wireless screen sharing
• Interactive operations between two screens and reverse streaming
• Screen grouping with multi-screen transmission
• Host mode for general permission control
• Real-time streaming of images, videos, and audio from the mobile phone’s wireless camera
• Split-screen mode with up to 9 divisions on a single screen
• Use of the whiteboard’s camera and microphone via the Type-C IN port and screen projector
• Smooth writing response with pen input, handwriting recognition, and pressure sensitivity
• Finger and stylus writing with magnetic attachment
• Anti-glare tempered glass with anti-reflective coating
• Surface hardness ≥9H
• Infrared touch technology
• 32 touch points on Android and 40 touch points on Windows
• Touch response ≤5 ms
• 2 mm valid touch area covering more than 90% of the touch surface
• Touch resolution of 32767 × 32767
• 5 multi-user writing points (3 mm) across more than 90% of the touch area

Smart features

• AI recognition of text and drawings
• AI recognition of hand-drawn shapes such as lines, arrows, triangles, parallelograms, trapezoids, rectangles, pentagons, circles, cylinders, pentagrams, semicircles, and ellipses

Audio

• 2 built-in speakers
• 2 speaker chambers
• 2.0 audio with 2 × 15 W
• Speaker frequency range: 150 Hz to 20 kHz
• 8-array microphone
• Long-range sound pickup from 8 m to 12 m
• AGC
• Echo cancellation
• Omnidirectional pattern
• Intelligent noise filtering

Communication interface

• 1 front-panel USB 2.0 port
• 1 USB 3.0 Type-A port
• 2 USB 2.0 Type-A ports
• 1 Micro USB 2.0 port
• 1 RS-232 port with male DB9 connector
• 2 HDMI 2.0 4K@60 Hz inputs
• 1 3.5 mm Line Out audio output
• 1 Touch port
• 1 IrDA
• 1 Type-C port as a USB 2.0 device with 5 W charging

Network

• 1 RJ-45 port
• Wi-Fi with 1 client and 1 access point
• 802.11b/g/n/a/ac/ax Wi-Fi client standard
• 802.11b/g/n/a/ac/ax Wi-Fi standard for access points
• WiFi frequency range: 2400–2483.5 MHz, 5150–5350 MHz, 5470–5725 MHz, and 5725–5850 MHz
• Bluetooth BR/EDR/BLE BT5.2
• Bluetooth frequency range: 2400–2483.5 MHz

Power

• 100–240 V AC, 50/60 Hz
• Base power consumption of 141.5 W
• Maximum power consumption: 270 W
• Standby power consumption ≤0.5 W

Environmental

• Operating temperature: 0°C to +40°C
• Storage temperature: -20°C to +60°C
• Operating humidity: 10% to 90% RH, non-condensing
• Storage humidity: 10% to 90% RH, non-condensing

Physical Characteristics

• Metal housing
• 3.2 mm anti-glare tempered glass
• Left and right sides in black; top and bottom in star-patterned gray
• Wall-mounted or on a mobile stand
• Hole spacing: 600 mm × 400 mm
• Dimensions: 1707.6 mm × 115.7 mm × 1038.5 mm
• Top frame: 35.3 mm; side frames: 17.5 mm; bottom frame: 40 mm
• Weights: net 50 kg, gross 58.4 kg

Contents

• 75-inch Dahua Business Interactive Whiteboard DAHUA-5393 (DHI-LCH75-MC410-B-S2)
• 1 plug-in wireless module
• 1 power cable
• 2 stylus pens
• 1 quick start guide
• 1 Legal and Regulatory Information
• 1 wall mount
• 1 accessory pack
• 1 remote control