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What is defendme®

defendme® is a sleek personal alarm featuring a siren to maximize attention to yourself when needed for self defense. The piercing 120 dB siren can be heard up to 300 feet (100 meters) and will provide a practical protection and deter dangerous threats when seconds count!

This personal alarm is perfect for anyone and particularly for young people, college students, lone workers, joggers, elderly, nurses and sales representatives.

Easily attach defendme® to just about any strap on a backpack, purse, or even a belt-loop.

Main features

Powerful 120dB siren • Quickly activate by pulling the alarm • Easy to access and use • Compact and affordable • A must have for all women • Legal to carry in all 50 states


1. Pull the lanyard looped to the pin away from the alarm.
2. The 120dB siren will sound.


3. Place the pin back into the alarm until it snaps into place.


4. To replace the battery, remove cover and insert a new battery.
5. It is recommended that defendme® be tested periodically to ensure battery performance.

Where to place product

defendme® can be conveniently worn on any garment,
backpack or purse.




1 review for defendme®

  1. Rated 5 out of 5

    Karen J.

    This is super loud. As a girl I definitely feel safer walking by myself. A must have for all women.

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Technical specifications

  • Dimensions:

    2.80L x 1.25W x 0.6D (in.) | 7.15L x 3.15W x 1.524 (cm.)
  • Weight:

    0.6oz | 17.01 gr
  • Materials:

    ABS plastic | Aluminum
  • Loudness:

    The alarm is about 120 decibels (can be heard up to 300 feet)
  • Batteries:

    Replaceable LR41 (x4). About 30 minutes of continuous loud sound.

Frequently asked questions

The alarm of the defendme® is about 120 decibels and can be heard up to 300 feet(100 meters).
The alarm will continuously sound for approximately 30 minutes
Grab the lanyard and firmly pull out the pin.
Put the pin back in the slot and the alarm will stop ringing. There is no timer built in. The alarm will sound until the pin is replaced or the batteries die. It is recommended to check the batteries at least every 6 months.
To access the 2 batteries (CR1632 3V), the top and bottom plastic case covers have to be removed. Option 1: to open the case, make sure that the tab is in place. Twist the tab until the case opens. Option 2: remove the tab, insert the tip of a flat screwdriver in the opening and gently twist until the case opens.
As a non-lethal weapon, defendme®, like any other personal alarm, is legal in all 50 states and approved by TSA.


Your purchase includes a 1 year product warranty. The batteries must be checked and changed regularly to avoid any corrosion and damage to the tool. Failure to do so will void the warranty.

How to

Product Usage and Guidelines


Instructional Videos and Lifestyle Examples

CE Certified

Mercury Free

FCC Compliant

RoHS Compliant