Built-in media player, video, pictures, and webpage formats can all be supported. It can be uploaded via software or a USB interface. Other software can be customized to special needs, such as visit-in system, store cashier system, wayfinding systems, vehicle search systems, weather monitoring systems, etc. Ports can also be opened for custom development by customers. All products can be powered on and off according to a schedule, monitored, and their status reported in the cloud. Digital management is very convenient.