Dahua 86″ 4K Display Smart Interactive Whiteboard (LCH86-MC420-B-S2)

The Dahua LCH86-MC420-B-S2 86-inch 4K Smart Interactive Whiteboard is a premium collaboration display designed for executive boardrooms, universities, training centers, and large meeting environments. It combines ultra-high-definition 4K display technology with advanced infrared multi-touch functionality, built-in conferencing tools, and dual operating system support. Engineered for seamless collaboration, it enables interactive presentations, wireless screen sharing, and intelligent whiteboarding, making it a complete solution for modern digital communication and learning spaces.

Product Features

Ultra HD 4K Display with Anti-Glare Protection

Delivers a crisp 3840 × 2160 resolution with anti-dazzle tempered glass, ensuring clear visibility, reduced reflections, and durable surface protection for heavy professional use.

Advanced Multi-Touch Interaction

Supports up to 32 touch points on Android and 50 touch points on Windows with fast response time under 10ms, enabling smooth and highly responsive collaboration.

Dual Operating System Support

Runs on Android 9.0 with the option to switch to a full Windows environment via OPS module, offering flexibility for different applications and enterprise requirements.

Built-in Professional Conferencing System

Integrated 5MP wide-angle camera, 8-array microphone system with noise reduction, and dual 15W speakers provide complete audio-visual conferencing capabilities.

Wireless Screen Sharing for Multiple Devices

Supports simultaneous wireless projection from up to four devices using AirPlay, Miracast, and Chromecast, enabling efficient group collaboration and presentations.

AI-Powered Smart Whiteboarding

Includes intelligent handwriting recognition that converts handwritten input into clean text and shapes for professional presentation output.

Secure Content Sharing and QR Code Export

Allows users to securely save and share whiteboard content via encrypted QR code scanning, improving meeting efficiency and data security.

Zero-Bonding Touch Technology

Minimizes the gap between glass and display panel to enhance touch precision, reduce parallax, and deliver a natural writing experience.

Product Specifications

• Model: LCH86-MC420-B-S2
• Screen Size: 86 inches
• Resolution: 3840 × 2160 (4K UHD)
• Display Type: DLED with anti-glare tempered glass
• Glass Hardness: 9H tempered glass
• Brightness: 400 nits
• Contrast Ratio: 1200:1 static, 6000:1 dynamic
• Viewing Life: ≥ 50,000 hours
• Operating System: Android 9.0 (with optional Windows OPS support)
• Processor: Quad-core Cortex-A55 up to 1.9 GHz
• RAM: 8GB
• Internal Storage: 64GB
• Touch Points: 32 (Android), 50 (Windows)
• Touch Response Time: <10 ms
• Camera: 5MP integrated wide-angle camera
• Microphone: 8-array digital microphone system with AEC and AGC
• Speaker Output: Dual 15W front-facing speakers
• Connectivity: HDMI IN ×2, HDMI OUT ×1, USB 3.0/3.2, USB 2.0, Micro USB, USB Type-C
• Type-C Functionality: Video, touch, and 65W power delivery
• Networking: Dual Gigabit Ethernet (RJ45)
• Wireless: Wi-Fi 2.4G/5G, Wi-Fi 6 support (module dependent), Bluetooth 5.2
• OPS Slot: 80-pin OPS support for Windows 10/11 module
• Mounting Standard: VESA 800 × 400 mm
• Dimensions: 1953.4 × 87.1 × 1205.1 mm
• Net Weight: Approximately 64–68 kg
• Application: Boardrooms, universities, auditoriums, and corporate collaboration spaces