Double-screen advertising machine is also called double-screen digital signage, which can display media content on the left and right LCD screens. The main differences between it and the traditional double-sided screen advertising machine are as follows: 1. Ultra-thin design, only 2CM thick. 2, with LED glass edge packaging, beautiful and cool. 3. Real point-to-point 4K display with clear picture. 4. The screen has 700 brightness and higher brightness.