white-Personal Alarm Siren Song - 130dB Self Defense Alarm Keychain

About this project^ USB rechargeable battery: The personal alarm siren is made of a rechargeable lithium battery, not a button battery.
There is no need to replace the battery, directly use the USB data cable to charge, the charging time is only 30 minutes, and the standby time is one year.
^ 130 decibel safety emergency alert: There is a pierced sound, which can attract the attention of others even 300 yards away from where you are in danger.
Continuous sound for up to 50 minutes ensures emergency use.
It will replace self-defense weapons and protect your safety.
^ 2 ways to use: you can quickly pull out the contact pin or press the switch twice to activate the alarm.
^ LED emergency flashlight: The bulb is bigger and brighter than traditional safety warning lights^ Lightweight and portable alarm clock key chain: Self-defense alarm clock can be installed on wallets, backpacks, keys, belt loops, and suitcases.
It can also be taken on the plane, which is very convenient and suitable for students, joggers, elderly, children, women, night workers.
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