Dahua LPH75-ST470 75″ Smart Interactive Whiteboard (LPH75-ST470)

The Dahua LPH75-ST470 is a 75-inch 4K UHD smart interactive whiteboard from Dahua’s DeepHub Lite Education Series, designed for classrooms, meeting rooms, and collaborative workspaces. Featuring Zero Air Gap DLED technology, anti-glare tempered glass, and high-precision infrared touch, it delivers a smooth and responsive writing experience for multiple users. Powered by an octa-core CPU with 8 GB RAM and 64 GB storage, the panel runs Android 11 natively and supports an optional OPS module for Windows. With built-in 2.1 channel speakers, an 8-array microphone, wireless screen sharing, and extensive connectivity options, the LPH75-ST470 is ideal for professional collaboration, presentations, and interactive learning.

Product Features

High-Resolution 4K Display

The 75-inch DLED panel offers 4K UHD resolution (3840 × 2160) with Zero Air Gap technology for minimal parallax, vivid colors, and clear visuals. Anti-glare tempered glass with 8H hardness ensures durability and reduces reflections.

Multi-Touch and Writing

Supports up to 32 touch points on Android and 40 on Windows, allowing multiple users to write or draw simultaneously. AI-powered handwriting and shape recognition convert pen input into text and digital diagrams.

Powerful Performance

Equipped with an octa-core CPU (Quad-core A73 + Quad-core A53), 8 GB RAM, and 64 GB storage, the panel provides smooth operation for Android applications, multimedia content, and optional Windows-based software via OPS.

Wireless Screen Sharing

Allows simultaneous screen sharing from multiple devices with support for EShare, AirPlay, Miracast, and Chromecast. Split-screen mode supports up to nine active screens.

Audio and Microphones

Integrated 2.1 channel speakers (2 × 15 W front-facing + 1 × 20 W rear-facing) combined with an 8-array microphone system provide clear audio for video conferencing and presentations.

Extensive Connectivity

Front-facing USB-C port supports 4K display, touch, and 65 W charging. Multiple HDMI, USB, DisplayPort, VGA, RS-232, and Ethernet ports ensure seamless connectivity with computers, cameras, and other peripherals. Built-in Wi-Fi 5/6 and Bluetooth 5.2 provide wireless access.

Security and Collaboration Tools

Supports QR code-based file sharing with encryption, ensuring secure distribution of notes and materials. Optional 48 MP camera enhances video conferencing capabilities.

Product Specifications

• Display: 75-inch DLED with Zero Air Gap technology
• Resolution: 3840 × 2160 (4K UHD)
• Brightness: 400 cd/m² (typical)
• Contrast Ratio: 1200:1 static, up to 5000:1 dynamic
• Refresh Rate: 60 Hz, 8 ms response time
• Lifespan: ≥50,000 hours
• Protective Glass: 4 mm anti-glare tempered, 8H hardness
• Touch Technology: Infrared, supports 32 points on Android, 40 points on Windows
• Writing Accuracy: ±1 mm over 90% of the area
• Operating System: Android 11.0 (optional OPS module for Windows 10/11)
• CPU: Octa-core (Quad-core A73 2.2 GHz + Quad-core A53 2.0 GHz)
• RAM: 8 GB
• Storage: 64 GB ROM
• GPU: ARM Mali-G52 MP8
• Speakers: 2.1 channel (2 × 15 W front + 1 × 20 W rear)
• Microphone: 8-array omni-directional with 6–10 m pickup and echo cancellation
• Connectivity: Wi-Fi 5/6, Bluetooth 5.2, RJ-45 Ethernet
• Ports: Front: USB-C, HDMI 2.0 In, 2 × USB 3.0, Mic In; Rear: 2 × HDMI 2.0 In, 1 × HDMI Out, VGA In, DisplayPort In, RS-232, RJ-45 In/Out
• Power Consumption: 150 W typical, 350 W max; Standby ≤0.5 W
• Dimensions: 1,707.5 mm × 93.0 mm × 1,050.0 mm (WxDxH)
• Net Weight: ~54 kg
• Mounting: VESA 600 × 400 mm