Feature:1. 2 alarm methods: 125db loud sound and super bright LED lights, which can attract the attention of others and get help in an emergency.2. Simple to operate and use, just pull out the pin to trigger an alarm sound and make the LED light flash, and push the pin back to stop.3. Lightweight and portable, comes with a carabiner, easy to carry, can be hung on backpacks, wallets, keys, etc.4. LED light with modes of normally on and flashing, which can be used as a signal light for mountain climbing and night running, etc.5. Wide range of applications, suitable for women, the elderly, children and students, etc.Specification:Item Type: Self-Defense AlarmMaterial: ABSSize: Approx. 71.5 x 38 x 14.5mm/2.8 x 1.5 x 0.6inDecibel: 125dBBattery: 3 x LR44 Batteries (built-in)Battery Capacity: 3 x 30mAhInstructions:1. In an emergency, you can pull out the pin to trigger an alarm sound, and the LED light will flash, push the pin back to stop.2. Press the surface button for 3 seconds, the LED light will be on; press it again, the light will flash; press it again, the light will be off. It can be used as a contact light or warning light for mountaineering, night running..Package List:1 x Self-Defense Alarm1 x Carabiner