Features:1. Super light weight, 60% - 80% lighter than common ones. Suitable for large size project.2. High hollow out rate to 60%, high anti-wind level.3. Can be enchased into the wall easily, few destroy to the wall structure and earth base.4. Advanced control system, stable showing effect, easy install and maintain.5. 24/7 working: vivid displaying, high refresh rate, anti-static, dust-proof, ...