Which system is the safety management of safe campus?

Children only need to carry a card with them, and parents' mobile phones will display the time and photos when they enter and leave the campus, so that parents can know when their children enter and leave the school. Sichuan home school guards system is perfect, focusing on campus safety management, helping schools manage schools better, helping parents and teachers interact with their children's schools, and helping parents understand their children's schools. The system is safe, simple and convenient.