Prowler 1000 Seeker Droid 4 

Rarity: Common
Base: Small
Gender: It

Special Abilities

• Droid (Immune to critical hits; not subject to commander effects)
• Diminutive (This character does not provide cover or block movement)
• Flight (Ignores difficult terrain, enemy characters, low objects, and pits when moving)
• Low Caste (Cannot be added to a squad via any character’s Reinforcements or Reserves abilities. This character's cost cannot be reduced.)
• Scanner (Usable at the start of an ally's turn: this turn, enemies adjacent to this character lose Stealth and Cloaked. At the end of the turn this character is defeated.)

Prowlers weren't designed for long distance travel, and were instead used for local surveillance.