The APF adopts modular design, small size, and lightweight. It does not require large equipment such as cranes and forklifts during installation, saving time and effort. Wall-mounted design, flexible installation, especially suitable for small spaces. APF is equipped with a variety of monitoring methods for different models, including 3.8-inch LCD screen, 4.3-inch touch color screen, 8-inch full-color LCD touch screen, and background monitoring software to meet the different needs of users.