They moved on wheels and had four extendable arms that could reach out to a distance of 15 meters. The arms were tipped with various sensors, such as a , a , and a . They did not have a vocabulator and could only communicate via Droidspeak, which was considered their only negative point. They were among the best security droids on the market.
Hound-W2s were frequently used at security checkpoint and tasked with detecting illegal materials, like spice or explosives. They were used to sweep the Grand Corridor looking for Delta Source.
- The Last Command Sourcebook
- The Thrawn Trilogy Sourcebook
- "Cynabar's Droid Datalog" — Star Wars Adventure Journal 14
- The Essential Guide to Droids
- The Official Star Wars Fact File77
- The Complete Star Wars Encyclopedia
- Suns of Fortune