Floating eye bots[1] (or simply Floating Eye[2]) are small security robots, equipped with a taser like weapon[3] and commonly found patrolling pre-war military facilities.
These hovering, taser-equipped robots were mostly used as a sentry for important areas in vital facilities, such as the Sierra Army Depot VI.[4]The aforementioned taser is mounted on the extending arm below, and can also be used to make repairs.[5][6]The mount is also able to be with lasers, shock rods, and tranquilizer guns.[7]These machines are motivator (jet) driven, similarly to the Agricola mining robot.[8]
These robots are quick but fragile, and were mostly used as a sentry or for important areas in vital facilities, such as the Sierra Army Depot, or the Glow.
Similar robots include the radio-broadcasting eyebot and the hover robot.
Floating eye bots are often used by the military to guard important locations, and as such can be found in many pre-War bunkers. They use highly advanced electric weaponry to eliminate their enemies but lack somewhat in durability due to their light weight.
↑Fallout 2 Official Strategies & Secrets: p.33: "The Floating Eyebot is a quick-observation robot commonly found in prewar military installations. The Floating Eyebot uses a powerful electric prod (melee attack) to keep intruders in line."
↑Simple critters; Floating Eye Bot: "One of the most 50's-esque of the classic Fallout robots, the floating eye bots certainly get around the wasteland. They come equipped with lasers, shock rods, and tranquilizer guns."
Edit
The aforementioned taser is mounted on the extending arm below, and can also be used to make repairs.[5][6] 
The mount is also able to be with lasers, shock rods, and tranquilizer guns.[7] 
