Thousands of different parts and components exist for lights and fixtures. They include modular parts, dimmer controls and switches, knobs, chains, and cords, electrical pieces, track lining, and more. While some are precise to various models of light fixtures, most are considered an option or matter of preferred aesthetic.

Keystone's model HBE-PIR-120-27765 is sold in multiples of 1. It comes with a standard manufacturer's warranty, and its UPC is 890949003657.