1. Scope of application: suitable for all ages 2. Volume: ≥120 (dB) 3. Weight: 34g / each 4. Packaging: Blister card 5. Material: ABS matte 6. Power supply: 4 AG3 batteries 7. Light weight, small size, easy to carry around 8. Super Decibel Personal Alarm 9. Can be hung on the bag, on the key, or with a lanyard to hang the neck to pull out the alarm, and the accessories can be replaced. 10.Suitable for the elderly, night walkers, sports people, people with disabilities. When you need help, you can immediately pull out 125DB alarm sound to attract others and get help
