The Outdoor LED display module is an advanced solution for outdoor LED displays. You’ll find LEDs, a driving IC, and a plastic frame in each one. Each module contains hundreds of tiny LED beads. These LEDs use high-quality Surface Mount Device (SMD) technology, including SMD1921, SMD2121, and SMD3535 You can get these modules in a range of sizes: 320 by 160mm, 256 by 128mm, 192 by 192... https://volkanoo.com/outdoor-led-module/