Railroad Stealth Boy

The Railroad Stealth Boy is a consumable item featured in Fallout 4.

Characteristics
The Railroad Stealth Boy is a portable device that, when activated, renders the user invisible for about 40 seconds. It lasts 10 seconds longer than a regular Stealth Boy

Location

 * Sold only by Tinker Tom in the Railroad HQ.
 * Two are awarded by Desdemona at the end of Memory Interrupted.