The product is a comb-bound book titled "Understanding VOR with the VOR Locater II Cockpit Computer" by Michael Kennedy, published in 1984. It serves as a valuable reference for individuals looking to familiarize themselves with the VOR Locater II Cockpit Computer and enhance their understanding of VOR technology. Written in English, this book provides clear and detailed information on the subject, making it a valuable resource for both beginners and experienced users of the technology.