Flash bang information is a holotape in the Fallout: New Vegas add-on Lonesome Road.
It is added to the Pip-Boy inventory after taking the flash bangs from a dead NCR trooper in the Cave of the Abaddon.
You have found a Flash Bang grenade! Flash Bangs are special grenades that:
- Deal Fatigue damage.
- Reduce enemy weapon skills.
- Have a chance to Frenzy Tunnelers.