1. SABRE Personal Self-Defense Safety Alarm on Key Ring with LOUD Dual Alarm Siren Heard up to 600 ft/185 meters Away. To Use, Pull Metal Chain from Base (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
ATTENTION-GRABBING - 110 dB dual siren alarm helps call for assistance in an emergency and helps deter attacker (audible up to 600 feet/185M away)VERSATILE AND USER-FRIENDLY - this sleek, compact modern design keychain attaches to backpack, purse or keys for convenient, instant access, plus greater value with batteries included

2. Mengde 120db Emergency Personal Alarm Keychain for Women,Kids,Girls,Superior,Explorer Self Defense Electronic Device Bag Decoration (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
This alarm we can use in many area,no matter who you are and where you are,if you need help or in troubles,use this amazing alarm.The alarm sounds great,people can draw attention even in a far distance.Good for adventurer who is in dangerous situation,no need to crying for help.The alarm could help you effectively.

3. PPS-23BLK (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
LOUD: 130dB attack alarm with push button activation and concealed OFF buttonCLIP: Keyring with purse clip - the ultimate personal protection alarm to carry on your purse or backpack

4. Black Smart Emergency Personal Alarm Key Chain for Women,Kids,Girls,Superior,Explorer Bag Decoration Self Defense Electronic Device with 120 Decibel Suitable (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
120dB-LOUD SOUND.The alarm sounds great,people can draw attention even in a far distance.Good for adventurer who is in dangerous situation,no need to crying for help.The alarm could help you effectively.SMALL AND PORTABLE.This personal alrm keychain is small and portable,can be attached on backpack,belt loops,,suitcases.....Looks smart and fashionable.

5. Emergency Personal Alarm Keychain/ the Wolf Alarm/ Self Defense Electronic Device with 130 Decibel for Kids, Elderly, Women who work Outdoor at Night in Adventurer, Funny Charm for Bag Decoration (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Fit for :Student, Jogger, Elderly, Kids, Women,The night and night worker.It's also a necessory supply for traveling,hiking and camping. Good for emergency/crying for help when in dangerous situation.