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Sentri System / Self-Defense/iPod ArmBand

The Sentri System is an iPod Touch armband self-defense tool with GPS tracking and health monitoring systems to allow emergency services to watch over the user and alert medical and police services in case of emergency. A built in panic button keeps the user one press away from immediate assistance.

A detachable stun gun (80,000 volts) has a built in LED light that acts as a self-defense tool to illuminate dark surroundings or temporarily disorient an attacker.

Made of waterproof silicone, it is durable, flexible, lightweight, and utilizes minimal material to allow the skin to breathe.


Virginia Tech

Virginia Tech
Blacksburg, Va, United States

Akshay Sharma


Virginia Tech

Virginia Tech
Blacksburg, Va, United States

Matthew Russell