Dantech Emergency Personal Alarm Keychain/ the Wolf Alarm/ Self Defense Electronic Device with 120 dB for Kids, Elderly, Women Outdoor Sport Hobbyists who work Outdoor at Night in Adventurer (Egg) Fit for:Student, Jogger, Elderly, Kids, Women,The night and night worker. It's also a necessory supply for traveling,hiking and camping Emergency Activation.Keep you safe,and To Help Scare Off Attackers or Use in Emergency Small and Portable. Can be Attached on Backpack, Belt Loops, Suitcases Suitable For Ages 8 and Up.