---
product_id: 372151538
title: "Self Defense Siren. Authentic Personal Keychain Security Alarm for Women, Kids & Elders. Personal Alarms (Magenta)"
brand: "original defense"
price: "¥9148"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/372151538-self-defense-siren-authentic-personal-keychain-security-alarm-for-women
store_origin: JP
region: Japan
---

# Water-resistant & weatherproof 100+ dB alarm, 1000ft reach 365-day battery life Self Defense Siren. Authentic Personal Keychain Security Alarm for Women, Kids & Elders. Personal Alarms (Magenta)

**Brand:** original defense
**Price:** ¥9148
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay Loud, Stay Safe — Your Pocket-Sized Guardian Angel

## Quick Answers

- **What is this?** Self Defense Siren. Authentic Personal Keychain Security Alarm for Women, Kids & Elders. Personal Alarms (Magenta) by original defense
- **How much does it cost?** ¥9148 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/372151538-self-defense-siren-authentic-personal-keychain-security-alarm-for-women)

## Best For

- original defense enthusiasts

## Why This Product

- Trusted original defense brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant One-Touch SOS:** Activate a piercing alarm with zero training needed
- • **All-Age Safety Solution:** Perfect for kids, seniors, students, and night workers
- • **Trusted by Professionals:** The #1 personal alarm brand recommended by police
- • **Military-Grade Durability:** Built tough to withstand weather and daily wear
- • **Ultra-Portable & Discreet:** Compact design clips easily to keys, bags, or belts

## Overview

The Original Defense Self Defense Siren is a compact, water-resistant personal alarm delivering a 100+ dB siren audible up to 1000 feet. Designed for all ages, it features a 365-day battery life and military-grade durability, making it an essential, easy-to-use safety device trusted by law enforcement.

## Description

Original Defense Self Defense Siren. Authentic Personal Keychain Security Alarm for Women, Kids & Elders. Personal Alarms (Magenta)

## Features

- THE ONE TOUCH SAFETY DEVICE - The perfect defense mechanism to prevent kidnappings and abductions of young children and teenagers.
- 【SUITABLE FOR EVERYONE】 - Get the help you need quickly. Commonly used by seniors to call for help in case of falling, feeling unsafe, physically threatened, medical emergencies, accidents, or allergic reactions. Great gift for parents, college students and everyone that works evenings. Wonderful defense siren keychain for everyone.
- 【MOST EFFECTIVE DEFENSE】- Requires no training or skill to operate. Equipped With high-intensity LED Lights. Extremely Loud (Reach Up To 1000ft Away). Military-Grade Durability (Weatherproof). 365-day Battery Life.
- 【SUPER EASY TO USE】 - Easily attaches to keys, purses, backpacks or belts. 24/7 Emergency Alarm, Just in Case. Small and Discreet. Water-Resistant. #1 Brand trusted by the police.
- Emergencies Can Happen At Any Moment. Unfortunately, many victims are too traumatized from the shock of an attack and are too scared to ask for help. Protect yourself in a moment of need with Self Defense Siren.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B091M5B5DZ |
| Batteries | 1 A batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Best Sellers Rank | #2,727 in Electronics ( See Top 100 in Electronics ) #8 in Security Horns & Sirens |
| Control Method | Touch |
| Customer Reviews | 4.4 4.4 out of 5 stars (6,012) |
| Date First Available | April 2, 2021 |
| Description Pile | Lithium Metal |
| Included Components | Siren, Carabiner Clip, Instructions |
| Item Package Quantity | 1 |
| Item Weight | 1.41 ounces |
| Item model number | SDS |
| Manufacturer | Original Defense |
| Maximum Range | 305 Meters |
| Noise Level | 130 Decibels |
| Number of Batteries | 1 A batteries required. (included) |
| Part Number | 1 |
| Product Dimensions | 1.25 x 0.5 x 3.75 inches |
| Sensor Technology | Contact Sensor |
| Size | 1 Pack |
| Style | 2025 Version |
| UPC | 810027762528 |

## Product Details

- **Colour:** Magenta
- **Brand:** Original Defense
- **Power source:** Battery Powered
- **Battery description:** Alkaline
- **Number of batteries:** 1 A batteries required. (included)

## Images

![Self Defense Siren. Authentic Personal Keychain Security Alarm for Women, Kids & Elders. Personal Alarms (Magenta) - Image 1](https://m.media-amazon.com/images/I/71rG6to4GUL.jpg)

## Frequently Bought Together

- Original Defense® Siren Self-Defense Alarm (Magenta) - 130 dB Keychain Alarm with LED Strobe Light for Women, Children, and Elderly - Police Recommended
- SABRE Pepper Spray, Quick Release Keychain for Easy Carry and Fast Access, Finger Grip for More Accurate and Faster Aim, Maximum Police Strength OC Spray, 0.54 fl oz, Secure and Easy to Use Safety
- SABRE Pepper Spray & 2-in-1 Stun Gun with Flashlight, Self Defense Kit, Fast Flip Top Safety, Finger Grip for Better & Faster Aim, Painful 1.60 µC Charge, 120 Lumen LED Light, Rechargeable, 0.54 fl oz

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**Shop now:** [https://www.desertcart.jp/products/372151538-self-defense-siren-authentic-personal-keychain-security-alarm-for-women](https://www.desertcart.jp/products/372151538-self-defense-siren-authentic-personal-keychain-security-alarm-for-women)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-06*