Keychain: unique design, small size and light-weight, easy to attached to your keychain, schoolbag, belt loops, keys.

Key fob: battery, automatic power-saving features, which you can use many times.

Personal alarm: press the button to activate the light, it offers a great assisstance when you walking in darkness.

Emergency alarm: a option for any age. for children, the old, joggers, night owls, lone workers.

People, A Gentle Pull Or Press Can Make A High Sharp Soundcan Intimidate Bad Peoplefemale Classmates Walk Alone In The Dark. If Suspicious People Approach, They Can Pull Out The Plug To Scare Them Off And Dispel Their Evil Intentionswhen An Elderly Person (Or Jogger) Is Traveling, If They Are Lost, They Can

Get Lost Or Lost, You Can Call The To Avoid Missingbutton Battery Operation, Low Loss, Quick Responseit Can Attract The Attention Of People And Help Oneself Get Out Of Danger As Soon As Possiblethis Type Of Alarm Is Generally Relatively Small And Portable, And Some Of Its Appearance Is Also Designed To Be Cute.