This anti-static electricity key chain is powerful to eliminate static electricity
Quickly release static electricity security within the human body in one second
No batteries, use permanent
LCD displays discharge state pattern
Can be safely and effectively eliminate the hazards of the daily life, work and vehicle traffic generated by a variety of middle-static environment
Easy to use, hold the key chain with your thumb on the elliptic button, then contact electric conductor (such as car, computer, metal stuff) with the black head of this product