what type of battery it is? aaa or aa?

It has a replaceable Watch battery

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Byrna Banshee Personal Safety Alarm - 130 dB Loud Military Grade Self Defense Emergency Keychain Siren Device with LED Strobe Alert Light for Women, Men, Children, Elderly, Hikers and Runners (Black)

Product ID: 377547947

Details

Battery description
Lithium
Brand
Byrna
Colour
Black
Number of batteries
2 CR2032
Power source
Battery

🔊130dB ear-piercing alert

🔋1-year replaceable lithium batteries

🛡️Durable & water-resistant design

29364CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛡️ Stay loud, stay safe, stay unstoppable.

JET LEVEL LOUDNESS - 130dB siren cuts through noise like a military jet at 50ft—impossible to ignore.
ALWAYS WITHIN REACH - Compact keychain with carabiner clip for instant access on backpacks, purses, or belts.
LONG LASTING PEACE OF MIND - Replaceable lithium batteries keep you protected for up to a year without hassle.
UNIVERSAL SAFETY ESSENTIAL - Perfect for professionals, students, seniors, hikers, and runners who refuse to compromise on security.
BUILT TO BRAVE THE ELEMENTS - Water-resistant and rugged, ready for urban jungles or outdoor adventures.

The Byrna Banshee is a military-grade personal safety alarm delivering a powerful 130dB alert—comparable to a jet engine at 50 feet. Compact and lightweight, it attaches easily to your gear with a carabiner, ensuring immediate access in emergencies. Built tough with water resistance and powered by replaceable lithium batteries lasting up to one year, it’s the ultimate security companion for anyone on the move.

Specifications

ASIN	B09GBQFCZS
Audible Noise	130 Decibels
Battery Description	Lithium
Battery description	Lithium
Best Sellers Rank	#80,724 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #80 in Security Horns & Sirens
Brand	Byrna
Built-In Media	Batteries
Color	Black
Colour	Black
Control Method	Touch
Control method	Touch
Customer Reviews	4.3 out of 5 stars 242 Reviews
Item Weight	0.03 Kilograms
Manufacturer	Byrna
Maximum Range	50 Feet
Mfr Part Number	BM68450
Model Number	BM68450
Number of Batteries	2 CR2032 batteries required. (included)
Number of batteries	2 CR2032 batteries required. (included)
Power Source	Battery Powered
Power source	Battery Powered
Sensor Technology	Contact Sensor
UPC	810042111172
Unit Count	1 Count

Reviews

D**.

Perfect and LOUD!

Wow, is it loud! Perfect for taking on my walks and attaching to my purse. You can buy replacement batteries ( replace yearly) at Batteries Plus.

13.02.2026

E**E

Handy!

Great little peace of mind. I clip it to my backpack

12.07.2026

J**S

Audible self defense alarm

Nice portable personal alarm for self defense.

30.04.2026

M**X

Siren Song 🚨

This work very well for self defense.

9.12.2025

A**R

Yikes, loud.

Very annoying sound, guess it must work.

19.09.2025

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