75" Anti-Glare Tempered Glass Multi Touch Screen Nano Interactive Board 4K Digital LCD Display Smart Blackboard for Classroom. 20-Point Multi Touch: Supports 20 touch points on both Windows and Android systems for smooth interaction. Removable OPS Computer: Eco-friendly design with better heat dissipation and customizable configurations. Versatile Usage Scenarios: Ideal for classroom teaching, conferences, advertising, and office presentations. Screen Sharing Capability: Share screens from computers and mobile devices with a single button press. Free Software Included: Comes with LED whiteboard and mobile interactive software for active learning. Anti-Glare Tempered Glass: Durable metal case with tempered glass panel for smooth writing and protection. OEM/ODM Customization: Full customization available for configuration, design, and packaging requirements.