1、This alarm is easy to use. Pull out the plug and it can immediately sound and alarm. 2、120db loud alarm, it can be heard by people who are distant. 3、Portable and delicate appearance with keychain. Can be hung on the bag, easy to carry. 4、Multifunction: It can be used as personal alarm, exquisite key chain, elegant package decoration and emergency flashlight. 5、Suitable for students, joggers, the elderly, children, women, night workers. It is also a safety necessity for travel, hiking, camping and dog walking. The design and function are suitable for all age groups. 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 120db 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 and alarm. 120db loud alarm, it can be heard by people who are distant. Portable and delicate appearance with keychain. Can be hung on the bag, easy to carry. Multifunction: It can be used as personal alarm, exquisite key chain, elegant package decoration and emergency flashlight. Suitable for students, joggers, the elderly, children, women, night workers. It is also a safety necessity for travel, hiking, camping and dog walking. The design and function are suitable for all age groups. Specification: Material: ABS Color: Pink Light Source: LED Sound Volume: 120dB Battery: 23A/12V (Included) Size: 70 * 35 * 19mm/2.8 * 1.4 * 0.7inch Package Weight: Approx. 46g Package list: 1 * Personal Alarm 1 * Munual