Yes!
It was called a Keyboard Wedge when there was the older round (PS2) connections, because you unplugged the keyboard from the PC plugged the scan cable in, then plugged the keyboard into the 'Y" of the cable. (

You needed the keyboard plugged in or the PC never enabled ITS port)
Now, a USB version just plugs in .
IMHO avoid the cheaper 'flood' type models (You hold against the item and the whole area lights up red. You want a model that uses a bright line and can be used a few inches away (or more)
I used the
ADD FROM ISBN (right click on the ADD icon).

do batches of 10 or so and resolve the Not founds/fails while the pile is small

)
BTW this feature has its own
Add Tag that is different from the main add's one, so get creative in your thinking. eg "<in paper library>"