Global Property Change
"You can adjust any property over your whole selection of objects. You can for example select 20 lights - change every property you like and it will be applied to all the lights in your selection. Select 30 cameras and change the fov or any other propery at once. Make a selection of boxes/ cones/ cylinders and adjust the height or any other shared property globaly.. It works on allmost everything you can create through the create panel. "