Storage location of Xia Tian 'an inspection machine

1. Built-in storage: The security machine has built-in storage devices, such as hard disks or flash cards, which can store scanned pictures, and the storage location of the pictures is inside the security machine.

2. External storage: the security inspection machine has no built-in storage, and the built-in storage space is insufficient. The scanned pictures are saved by external storage devices (such as USB hard disk and SD card), and the storage location of the pictures is on the external storage devices.