The SABRE Red Mini Personal Alarm emits a 110 decibel alarm when the keychain pin is removed. This can help scare away attackers and draw attention to your location in case of emergencies. Compact and small enough to fit into your pocket, it includes a build-in LED light for increased visibility. Requites 3 LR44 batteries (included).Specifications Brand Sabre Self Defense Type Alarm Weapon Material Not Applicable