Features: 1. Integrated 12 standard HUB75 connectors and without the HUB structure; 2. Single card outputs 24-group of RGB data; 3. Single card supports resolution of 256x226; 4. Configuration file readback; 5. Temperature monitoring; 6. Ethernet cable communication status detection; 7. Power supply voltage detection; 8. Pixel-by-pixel brightness and chromaticity calibration. Brightness and chromaticity calibration coefficients for each LED; 9. Pre-store picture setting; 10. Comply with EU RoHs standard; 11. Comply with EU CE-EMC standard.