APC SRTRK4 UPS Accessory

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The diagonal width of a rack that the product can fit into, expressed in inches or centimeters. This measurement indicates the maximum rack width compatible with the device and is used to determine whether the product will physically mount in standard rack enclosures.

The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.