Stealth Boy (Fallout)

The RobCo Industries Stealth Boy 3001 is a special piece of gear in Fallout.

Background
Nightkin NPCs can be seen using stealth boy(s), however, their usage is entirely cosmetic.

Characteristics
When active, the item provides a 20% bonus to Sneak. It also makes the Vault Dweller translucent, like the nightkin. It's battery life is displayed in the Interface bar's ammo meter.

Locations

 * Giant Footprint special encounter: on the body of a dead peasant.
 * West Tek Research Facility Level 5: in a locker.
 * The Cathedral Tower (All Floors): on the nightkin sentries.
 * The Cathedral lair level 3: in a locker.

Behind the scenes

 * No stealth boys appear anywhere in Fallout 2. Even nightkin patrols near Mariposa Military Base do not have any remaining devices. However, it can be found in the game's files and can be add with an inventory editor but if the player uses it, the game will crash.
 * If fully drained it cannot be resold.