RA-7
this was a model of fifth-degree primary programming, low-intelligence labor droid produced by Arakyd for the Empire. They became known as "Death Star Droids" because huge numbers of RA-7 units were ordered as part of the droid pool for the first Death Star. Humanoid in shape, with insectile plating, they are commonly used by nobles and high-ranking officials. Despite the lack of capability, as exploited by Arakyd's competitors, the RA-7 nonetheless met every specification of the Empire, and was produced in huge numbers for the Empire. The reason for this was simple: many RA-7s were order by the Imperial Security Bureau, and reprogrammed to act as spies to keep records on the activities of Imperial bureaucrats and dignitaries. The droid's normally-sealed internal components led many to believe that they couldn't be tampered with, until hidden cameras and surveillance comlinks were discovered to be hidden within their shells.