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Features
- UHD 4K display with resolution of 3840 × 2160.
- Anti-glare and anti-blocking design to ensure smooth interaction.
- Dual systems of Android and Windows (optional) saving cost and easy to use, video conference software are recommended to run under Windows system.
- Quick response, at most 40-point touch controls and smooth writing experience.
- Multi-button design in front, convenient for classroom use.
- Compatible with OPS/OPS-C devices, realizing smooth switch between built-in systems.
Specifications
| Category | Specification |
|---|---|
| Product Model | DS-D5B75RB/EL |
| Screen Size | 75 inch |
| Panel Type | IPS |
| Resolution | 3840 × 2160 @ 60 Hz (4K UHD) |
| Pixel Pitch | 0.143 mm (H) × 0.430 mm (V) |
| Brightness | 400 cd/m² (Typ.) |
| Color Depth | 10-bit |
| Display Colors | 1.07 Billion |
| Response Time | 5 ms |
| Contrast Ratio | 1200:1 (Static) / 15,000:1 (Dynamic) |
| Color Gamut | 72% NTSC (CIE1931) |
| Refresh Rate | 60 Hz |
| Viewing Angle | 178° (H) / 178° (V) |
| Surface Glass | 9H Hardness, 3.2 mm Anti-Glare, 25% Haze |
| Display Area | 1649.66 mm × 927.94 mm |
| Working Duration | 7 × 16 Hours |
| Lifespan | 50,000 Hours |
| Touch Screen | Infrared, 40-point Multi-touch |
| Touch Response Time | < 5 ms |
| Minimum Touch Object Size | ≥ 2 mm |
| Touch Precision | ± 1 mm |
| Built-in System | Android 13.0 |
| Processor | Cortex-A55 × 4 (1.92 GHz) |
| Memory | 8 GB RAM |
| Storage | 64 GB |
| GPU | Mali-G52 MP2 (2EE) |
| HDCP Version | 1.4 / 2.2 / 2.3 Supported |
| Loudspeaker | 2 × 20W Built-in |
| Speaker Frequency Response | 200 Hz – 20 KHz |
| Bluetooth | BLE 5.2 |
| NFC | Card Reader Support |
| Light Sensor | Yes |
| Video/Audio Inputs | HDMI 2.0 ×2, Audio In ×1 |
| Video/Audio Outputs | Audio Out ×1 |
| Control Ports | TOUCH-USB 2.0 ×1, RS232 ×1 |
| Network | LAN ×2 (100 Mbps), Wi-Fi 5/6 (2.4G/5G, 2x2 MIMO for AP, 1x1 MIMO for Station) |
| Data Ports | USB 3.0 ×3, USB 2.0 ×2, Type-C ×1 |
| Power Supply | 100–240V AC, 50/60 Hz |
| Average Power Consumption | 175W |
| Maximum Power Consumption | 217W |
| Standby Consumption | ≤ 0.5W |
| Working Temperature | 0 °C to 40 °C |
| Working Humidity | 10%–90% RH |
| VESA Mount | 800 mm × 400 mm (M8-25 mm Screws) |
| Product Dimensions | 1713.23 mm × 1025.53 mm × 82.5 mm |
| Package Dimensions | 1907 mm × 1160 mm × 223 mm |
| Net Weight | 49.15 kg |
| Gross Weight | 63.0 kg |
| Accessories | Wall Mount Bracket, Hook, 2 Styluses, Power Cable, Remote Controller, User Manual |
