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

The Dahua LCH86-MC420-B-S2 is an advanced 86-inch 4K UHD smart interactive whiteboard designed for classrooms, boardrooms, and collaborative environments. Featuring a high-resolution 4K DLED display with anti-glare tempered glass, this interactive panel delivers crisp visuals and smooth touch performance. It supports Android 9.0 and is fully compatible with Windows via an optional OPS PC module, allowing seamless integration with existing IT infrastructure. With built-in 32-point touch technology, AI-powered digital whiteboarding, an 8-array microphone system, and a 5 MP wide-angle camera, this smart whiteboard enhances collaboration, presentations, and video conferencing while supporting multiple wireless screen-sharing devices.

Product Features

4K UHD Display

Experience sharp, vibrant visuals with the 86-inch DLED display, offering 3840 x 2160 resolution and anti-dazzle tempered glass for durability and clarity. The screen supports portrait and landscape modes for versatile classroom and boardroom setups.

Multi-Touch and Writing

The infrared touch technology provides a responsive writing experience, supporting up to 32 touch points on Android and up to 50 touch points on Windows. It allows simultaneous interaction for multiple users using fingers or a stylus.

AI Whiteboarding

The smart whiteboard includes digital whiteboarding with AI recognition of text, drawings, and shapes. Users can easily annotate, highlight, and save content during presentations or collaborative sessions.

Integrated Camera and Microphones

A built-in 5 MP wide-angle camera and 8-array digital microphone system with echo cancellation and intelligent noise filtering enable seamless video conferencing and high-quality audio capture.

Wireless Screen Sharing

Supports simultaneous wireless screen sharing from up to four devices including iOS, Android, Windows, and macOS. Compatible with AirPlay, Miracast, and Chromecast protocols for flexible device connectivity.

Dual Operating System Support

Runs on Android 9.0 and supports Windows OS through an optional OPS PC module. This allows users to switch seamlessly between Android applications and full Windows environments.

Connectivity and Ports

Offers multiple connectivity options including HDMI, USB 3.0, Type-C, dual Gigabit Ethernet ports, Wi-Fi, Wi-Fi hotspot, and Bluetooth. The Type-C port supports video, touch, and up to 65W charging depending on device compatibility.

Security and Management

Features QR code encryption for secure file sharing, a built-in light sensor for automatic brightness adjustment, and remote control management for simplified device operation.

Product Specifications

• Display: 86-inch 4K UHD (3840 x 2160) DLED
• Touch Technology: Infrared, supports up to 32 points on Android and 50 points on Windows
• Operating System: Android 9.0 (Windows via optional OPS module)
• CPU: Quad-core A55, 1.9 GHz
• RAM: 8 GB
• Storage: 64 GB ROM
• Camera: Built-in 5 MP wide-angle
• Microphones: 8-array digital microphone system with echo cancellation and intelligent noise filtering
• Wireless Sharing: AirPlay, Miracast, Chromecast, up to four devices simultaneously
• Ports: HDMI IN/OUT, USB 3.0, USB Type-C, Dual Gigabit Ethernet (RJ-45)
• Built-in Speakers: 2 × 15 W full frequency
• Touch Response Time: <10 ms
• Supported Writing: Finger and stylus pen
• Power Supply: 100–240 VAC, 50/60 Hz
• Power Consumption: 400 W typical
• Operating Temperature: 0 °C to 40 °C
• Storage Temperature: –10 °C to 50 °C
• Dimensions (L × W × H): 1,953.4 mm × 87.1 mm × 1,205.1 mm
• Net Weight: 64 kg
• Protective Glass: Anti-dazzle tempered, hardness 9H
• Mounting: Wall mount or mobile bracket