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)

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: 382080077

Details

Colour
Black
Brand
Byrna
Power Source
Battery
Battery Description
Lithium
Number of Batteries
2 CR2032

🔊130dB ear-piercing alert

🔋1-year replaceable lithium batteries

🧗‍♂️compact carabiner attachment

€ 104.36

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay heard, stay safe — your personal alarm that never quits!

JET LEVEL LOUDNESS - 130dB siren cuts through noise like a military jet at 50ft
READY WHEN YOU ARE - Compact, lightweight design clips anywhere for instant access
BUILT TO BRAVE ELEMENTS - Durable, water-resistant for all your outdoor adventures
UNIVERSAL SAFETY SIDEKICK - Perfect for everyone—students, seniors, hikers, and urban explorers
LONG LASTING PEACE OF MIND - Replaceable lithium batteries keep you protected up to 1 year

The Byrna Banshee is a military-grade personal safety alarm delivering a powerful 130dB alert—equivalent to a jet taking off nearby. Compact and lightweight, it attaches easily to bags or belts with a carabiner. Water-resistant and durable, it features replaceable lithium batteries lasting up to one year, making it an essential safety tool for all ages and lifestyles.

Specifications

ASIN	B09GBQFCZS
Audible Noise	130 Decibels
Battery Description	Lithium
Best Sellers Rank	#176,266 in Bags, Wallets and Luggage ( See Top 100 in Bags, Wallets and Luggage ) #45,118 in Keyrings & Keychains
Brand	Byrna
Colour	Black
Control Method	Touch
Country of Origin	USA
Customer Reviews	4.4 out of 5 stars 149 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 Packs	1
Power Source	Battery Powered
Sensor Technology	Manual Activation
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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