FUNCTION:
1.Carabiner included personal alarm with led bright,easy to carry.
2.Pull the pin activate the alarm and the light flashes,reinsert the pin to stop it. In case of an emergency, a loud alarm can attract the attention of others and give you timely help.
3.Press 3 seconds the led light will always be on,press again and the light flashes;Press again and the light turn off.