Internal Reference:
IN7521C-1C
Product Description
ViewSonic ViewBoard IN7521C-1C – 75” 4K EDLA Interactive Display with Built-in 4K Camera
ViewSonic ViewBoard® IN7521C-1C is a 75-inch 4K UHD Google EDLA-certified interactive display designed to power engaging classrooms and modern collaboration spaces. Running on Android 14 with full Google Play access, it delivers a secure, scalable platform for education and enterprise environments.
Built with Ultra Fine Touch (IR Recognition) technology, the IN7521C-1C supports up to 50 simultaneous touch points across Android, Windows, and EDLA systems. With 6.5ms response time and palm rejection, it provides ultra-smooth writing, natural annotation, and multi-user interaction for dynamic lessons and teamwork.
The 4K UHD resolution (3840 × 2160), 1.07 billion colors, and 450 nits brightness ensure crisp, vibrant visuals. A durable 9H anti-glare surface enhances readability while protecting against scratches in high-traffic classrooms.
Powered by an Octa-Core CPU with Mali-G52 GPU, 8GB RAM, and 128GB storage, the display delivers reliable multitasking and seamless app performance. Integrated collaboration hardware includes a built-in 50MP 4K camera and 8-array microphone, enabling professional-quality hybrid teaching and video conferencing without additional equipment. Dual 20W front soundbar speakers provide clear, powerful audio.
Extensive connectivity options—including three HDMI inputs, DisplayPort, dual USB-C (65W and 15W Power Delivery), OPS slot expansion, dual LAN ports, and SmartPort USB 3.2—ensure easy integration into existing IT infrastructures with simplified LAN sharing.
Energy-efficient performance (Energy Star 8.0 compliant) and low standby consumption make the IN7521C-1C a smart and sustainable interactive display solution.
Specifications
| Category | Specification |
|---|---|
| Display Size | 75" |
| Panel Type | TFT LCD with DLED Backlight |
| Resolution | UHD 3840 × 2160 |
| Aspect Ratio | 16:9 |
| Colors | 1.07 Billion |
| Brightness | 450 nits (typ.) |
| Contrast Ratio | 5000:1 (typ.) |
| Response Time | 6.5 ms |
| Viewing Angles | 178° H / 178° V |
| Backlight Life | 50,000 Hours |
| Surface Treatment | 9H Hardness, Anti-Glare |
| Processor | Octa-Core CPU |
| GPU | Mali-G52 Multi-Core |
| RAM | 8GB |
| Storage | 128GB |
| Operating System | Android 14 (EDLA Certified) |
| Touch Technology | Ultra Fine Touch (IR) |
| Touch Points | 50 (Android / Windows / EDLA) |
| Palm Rejection | Yes |
| HDMI Inputs | 3 × (4K@60Hz) |
| HDMI Output | 1 |
| DisplayPort | 1 |
| VGA | 1 |
| USB Type-A | 5 × (USB 3.2 ×4 + USB 2.0 ×1) |
| USB Type-B | 2 × |
| USB Type-C | 2 × (65W PD ×1, 15W PD ×1) |
| LAN | RJ45 ×2 |
| RS232 | 1 |
| OPS Slot | 1 |
| Speakers | 20W ×2 Front Soundbar |
| Camera | 50MP, 4K Built-in |
| Microphone | Built-in 8-array |
| VESA Mount | 800 × 400 |
| Power Consumption | 98.82W (On) / <0.5W (Standby) |
| Dimensions | 1709.4 × 1038.9 × 99.4 mm |
| Net Weight | 44.25 kg |
| Certifications | Energy Star 8.0, RoHS, REACH, WEEE |