130 Db Loud Sound: The Emergency Alarm Can Emit A Loud Sound To Attract Attention Even At Distances As Far As 606.9 Feet; The 130 Decibels Can Effectively Scare Off Attackers In Danger And Search For People Around You For Help. It Will Be Your Helper When You Have Trouble Or Need Help Multi-Function: The Security Alarm Is Designed With Led Lights For Night Lighting, Suitable For People Of All Ages Such As Students, Elderly, Children, Women, Night Workers, Etc. It Is A Useful Self-Defense Accessory For Travelling, Hiking, Camping And Walking The Dog At Night. Good Helper: You Can Use These Alarms To Emit A Loud Sound That Will Attract Attention Even At Distances As Long As 606.9 Ft., Just Pull The Ring When You Have Trouble Or Need Help. Nice Gifts: You Will Get 5 Self-Defense Alarms In 5 Colors, Black, Blue, Gold , Red Purple; They Are Delicate Gifts For Your Friends, Relatives, Elders Or Even Children Portable Security Alarms: Self-Defense Alarms Are Portable And Easy To Store And Carry; You Can Attach Them To Bags, Backpacks, Schoolbags, Belt Loops, Suitcases, Keys, Dog Belts, Etc. And They Are Allowed To Be Taken On The Plane