Management Software: Powerful key management software can save keys and users information, and can also operate the system, in case when the device is not conducive to use on-site, you can also choose to remotely taking and returning keys.
This equipment have the top, middle and bottom levels, two levels are on and above ground and the bottom level is underground. There an empty space on middle level for exchange. The spaces on top and bottom level can shift up and down automatically, and s