1、This alarm is easy to use. Pull out the plug and it can immediately sound an alarm. 2、130db loud alarm, it can be heard by people who are distant. 3、Portable and delicate appearance with keychain. 4、Can be hung on the bag and key, easy to carry. 5、Can be used as promotional gifts, but also a practical alarm for the elderly, night walkers, sportsmen and people with disabilities. This is a personal security alarm which helps to shock and deter an attacker and draw attention in times when you are in danger. It is portable and easy to use, with 130db loud alarm sound to protect yourself, which is suitable for girls, children, elderly and other protection needed people. Features: This alarm is easy to use. Pull out the plug and it can immediately sound an alarm. 130db loud alarm, it can be heard by people who are distant. Portable and delicate appearance with keychain. Can be hung on the bag and key, easy to carry. Can be used as promotional gifts, but also a practical alarm for the elderly, night walkers, sportsmen and people with disabilities. Specification: Material: ABS Shape: Diamond shape Color: RED Sound Volume: 130dB Package Weight: Approx. 54g Package list: 1 * Personal Alarm 1 * Munual