This is 4 conductor, 22AWG wire wrapped in a single, easy to pull jacket. It is most commonly used to connect to alarm systems, security sensors, garage door opener controls, etc, but can be used for any purpose.
For full specifications, please see the datasheet link above. For all "Class 2 Limited Power Circuit" and "Communications Data" wiring.
This wire is marked on the cable jacket with: "22AWG 4 COND SOLID XXXXXXX CMR/CL2 R FT4 C(ETL)US ****FT"