From LaRaza:
“When pressing the button you receive a false phone call to scare away the potential attacker. It also sends photos of your face, your exact location and three consecutive text messages to three contacts and to the Campus Police,” explains [Crystal] Sanchez, a student at the University of California, Irvine (UCI).

For the full story, please visit http://www.laraza.com/2015/12/08/how-a-necklace-can-fight-off-sex-offenders/.