Features： for Protections keychain alarm: It is a very beautiful decoration and or every girl. The female walks alone, if a suspicious person approaches, she can pull out the for latch to deter the suspicious person and dispel the of do evil. Suitable for: It is suitable for ladies traveling alone night, or from night shifts, when someone is trailing, the alarm can be pulled, and suspicious people can be deterred with noise. The elderly use: Elderly people with acute diseases (such as coronary heart and more.), carry (or by the bedside night) a cheap alarm. In the event of an illness attack and unable to speak, pulling the alarm may save life. Missing helper: When traveling, if you get, you can pull the for to avoid missing. Wide use:This alarm can also protect bags, mobile phones and valuables from being lost, and robbed. Its use is suitable for different people, and it is widely used. Easy to use: Button battery operation(include）, low loss, quick response, easy to carry, small size, can be used repeatedly. Specification： Material: ABS+Nylon Rope+Metal Buckle Size: approx.6.4x4cm/2.51x1.57in Optional colors: Black/Golden/Purple/Silver Color Powered supplyy: 3xLR44 Button Batteries Quantity: 1Pc Note： Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package Contents： 1xKeychain Alarm (other accessories in the picture is not included.)