Feature: 1. High Decibel Alarm: In case of any danger, the personal emergency alarm emits a loud, high decibel sound to alert people nearby, ensuring immediate help. 2. Lightweight and Comfortable: Ergonomically designed, the wristband alarm fits comfortably on the arm without restricting movement, ideal for outdoor activities. 3. Reliable Security Protection: Equipped with advanced trigger technology, the alarm has a low false trigger rate and can quickly activate during emergencies, helping ensure personal safety. 4. Wide Application: Suitable for outdoor activities, walking, night travel, and more, the emergency alarm provides protection in various situations. 5. Durable Materials: Made with premium materials, the alarm is durable and waterproof, capable of withstanding harsh environments. Specification: Item Type: Personal Emergency Alarm Material: ABS Size: Approx. 8x6x5cm / 3.15x2.36x1.97in Battery: 240mAh CR2032 lithium battery Package List: 1 x Personal Emergency Alarm 1 x Manual