P4.81 Universal LED interactive floor tile screen for indoor and outdoor use adopts SMD2121 light beads, with module size of 250 * 250mm, die cast aluminum box size of 500 * 500/500 * 1000mm, unit box resolution of 104 * 104/104 * 208 points, and full screen resolution of 43264 points/㎡. With the help of infrared sensing, it can track people's movement trajectory and present real-time picture effects that follow human activities. It can achieve effects such as actors and audiences walking by, water ripples appearing under their feet, flowers blooming, etc. It has the characteristics of high load-bearing capacity, interactivity, induction, convenience, protective performance, and heat dissipation performance, realizing human screen interaction, high-definition picture quality, adjustable floor tile screen height, high resolution and other display effects. It can adapt to high-intensity trampling, high load-bearing capacity, and long-term exposure. Operation, protection level up to IP65, seamless splicing, rail mobile rental installation, aviation box packaging, Easy to move, disassemble and install anytime and anywhere, and can also be fixedly installed. The box and acrylic board can be integrated or separated separately, which is more user-friendly.