There are four Category Types to choose from: Equipment, Speaker, Wire, Labor
Category Types allow you to find specific items in your database faster. Each Category Type has specific properties that trigger other features in SI 2016.
Most Products in your Catalog will of this type. Receivers, Motion Detectors, etc. On the Specification tab on the Product Properties form, you have the following fields:
See Equipment.
Speaker Products have an additional field "Dispersion" if you want to track this information.
See Speakers.
Wire Products have a "Diameter" field as well as a "Bulk Wire" option. The "Bulk Wire" option will treat the wire on a per foot/meter basis and should be used for wire that comes on a spool.
See Wire.
Labor Items have different Price fields than Products. They are treated like labor vs. products.
See Labor Items.