Here's my review on this:

Pros :

-the #1 most powerful, effective, safe, innovative, game-changing, futuristic, non-lethal personal protection on the planet and it is only 5 inches long, weighs 4.6 ounces, fits comfortably in the palm of your hand and is openly carried most anywhere
-Independently powered Bluetooth module inside D.A.D. activates mobile app sending GPS Danger Alert, worldwide to friends and family via app, email and text

Cons :

No cons on this one.