Be Confident About Your Safety: Our self- alarm can help you feel and scare away attackers when you are out at night or running in the park; it is one of the must-have personal safety devices for women Design: The self- alarm sounds up to 130dB; the night running light flashes in 3 colors, and it is worn with a portable clip. When the light is combined with the 130dB alarm, it confuse potential attackers and attract the attention of passers-by Super Standby: We're serious about self- for women; the low battery indicator on our personal keychain alarm ensures you're always prepared; one charge lasts up to a year