Welcome to our store！</br>1、Gives a 130dB loud alarm sound to attract people's attention, effectively deter attackers and seek help from people around. 2、Wide applications, suitable for elderly people, sports people, disabled people, ladies, students, etc. 3、Small size and light weight, it can be hung on bag, wallet, key, etc., convenient for you to carry around. 4、Simple to operate, just pull out the plug to activate the alarm, which is very easy to use. 5、Made of high-quality ABS material, sturdy and durable, smooth and delicate feeling. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Self-Defense Alarm Material: ABS Metal Chain Length: Approx. 10cm/3.9in Battery: 3 x AG13 Button Battery, 90mAh (Built-in) <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Self-Defense Alarm 1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>