Lights panel (expanded)
Lighting Units drop-down
American Lighting Units
or International Lighting Units
.
Lights panel
Create Light drop-down
Weblight.
This name appears in the Properties and Lights in Model palettes.
Select the light and use grip editing to modify the light. You can also right-click the light and then click Properties to modify the properties of the light in the Properties palette. In the Properties palette, Photometric Web panel, select the text box and click the Ellipsis button to specify an IES file.