Dahua 75-inch 4K Display Smart Interactive Whiteboard LPH75-MC470-P

Display

• 75-inch 4K DLED Panel: 3840 × 2160 resolution with 60Hz refresh rate
• Brightness: 450 cd/m² (typical)
• Color Coverage: 90% NTSC high-gamut screen with ΔE≤1.5 color accuracy
• Anti-Glare Tempered Glass: 7H hardness (Mohs scale) for durability
• Zero Air Gap Technology: Delivers clear images with low writing parallax

Performance & System

• Processor: Quad-core A73 + Quad-core A53 (2.2GHz + 2.0GHz)
• GPU: ARM Mali-G52 MP8
• RAM: 20GB total (16GB system + 4GB camera)
• ROM: 128GB storage
• Operating System: Android 14 (some regional listings show Android 11)
• Dual System Support: Optional OPS module allows switching between Android and Windows 7/8/10/11

Camera & Audio

• Built-in AI 52MP Camera: Supports auto-framing and voice tracking
• 8-Array Microphone: Far-field pickup from 6-8 meters with echo cancellation and noise filtering
• 3 Built-in Speakers: 2.1 channel audio, total 60W power (2 mid-high frequency + 1 low-frequency)

Interactive Features

• Touch Technology: Infrared touch with 20-point multi-touch support
• Writing Mode: Finger + stylus pen (pen attaches magnetically)
• AI Handwriting Recognition: Converts handwritten text and drawings in real-time
• Gesture Control: Non-touch interaction for page flipping, scrolling, and screenshots
• Wireless Screen Sharing: Supports multiple devices including phones, tablets, and computers
• Split Screen: Supports up to 9 split screens

Security & Connectivity

• NFC & Fingerprint Unlock: Quick secure access with fingerprint lock
• Network: Dual-band Wi-Fi (2.4G/5G) with hotspot support, plus RJ-45 LAN port
• Ports: 1× USB 3.0 (front left), 3× USB 3.0, 1× Micro USB, 1× Type-C (65W PD charging), 1× HDMI In, 1× HDMI Out

Physical Specifications

• Dimensions: 1707.2 × 1094.47 × 93.3 mm
• Weight: 54 kg
• Power Consumption: 300W
• VESA Mounting: 600 × 400 mm