This item lets you find closest creature, block or item entity specified in Scanner's interface.

To open the interface, Alt + right click.

Object scanner's UI

Here you can specify names of the objects to find and the search range. Then close the interface and right-click to search. If something was found, it will be told to the player and a string will appear which shows distance to the object.

To remove the string, Ctrl + right click with Scanner.