1. Compared with the traditional large screen, the price is favorable. 2. It does not require government approval documents and can be installed by itself. 3. Compared with traditional billboards, signs that play video screens, text, pictures, and more can attract the audience's attention. 4. The mobile phone can change the content to be played, and everyone can operate it. Simple and practical. 5. With its own bracket, no steel structure is required, and it can be directly fixed to the wall or building with screws.
