PRIMA SR25 Series Smart Blackboard is an advanced 86-inch intelligent teaching display designed for modern smart classrooms, featuring 4K UHD resolution, 40-point P-CAP touch, and a robust Android 15 system powered by an octa-core processor. Framed by fixed dual blackboards on each side, it combines traditional chalk-writing familiarity with cutting-edge digital interaction, free of mechanical sliding noise. The display is engineered with anti-glare tempered glass, a 48MP camera, an 8-array microphone, and 15W x 2 down-firing speakers for immersive hybrid learning. Powered by an AC 200–260V (50/60Hz) power supply, the SR25 delivers stable, reliable, and high-performance operation tailored for professional educational environments.