Description Material :Abs Size: 8.6 * 3 * 2cm DB :130 dB alarm Duration :6 hours Decay time :20 hours Battery capacity :120Ma(including battery) Style: Style One: Black + pink Style two: Black + White Style 3: White + pink Style 4: Blue + Purple Style 5: White + Blue (optional) Quantity :2 Package Contents :2 * alarms. Protect your safety: Considering the danger at all times, the use of a personal alarm can improve safety This is a light but loud and bright portable protection device that can surprise attackers and alert others in an emergency. Another reminder: If you need medical treatment or assistance, your personal alert keychain can grab your attention with a confident voice. Suitable for children, old people and girlfriends. It has an early warning effect on elderly people living alone, enabling people to take timely action to meet the needs of the elderly Easy to use: small size and light weight. It has a buckle design that is easy to move and has a wide range of uses. Even your kids can use it, which makes safe sound equipment so simple Easy to use, pull out the stylus for alarm. You need to press and hold the button to switch to Led lighting mode, then release it to stop lighting mode Completely portable: Our products are safer to transport than traditional knives or other safety tools. An emergency keychain alarm can also be carried anywhere along with other items. Take it to schools, airports, banks and outdoors without anyone suspecting it. Waterproof design: Ip44 waterproof design can be used normally even if it rains. It can keep you safe in all weather conditions. With night light function. It can also be used as night lighting. It is practical and practical, but also suitable for outdoor activities. Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)