what type of battery it is? aaa or aa?

It has a replaceable Watch battery

Byrna Banshee Personal Security Alarm Black

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

R$852

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

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Description

🛡️ Stay loud, stay safe, stay ahead of danger!

ALWAYS WITHIN REACH - Compact, palm-sized design with included carabiner clips effortlessly to bags, belts, or straps for instant access.
JET LEVEL ALERT POWER - 130dB alarm cuts through noise like a military jet at takeoff, ensuring you're heard when it matters most.
LONG LASTING PEACE OF MIND - Replaceable lithium batteries included, delivering up to a full year of dependable protection.
UNIVERSAL SAFETY COMPANION - Perfect for students, professionals, seniors, and outdoor adventurers who refuse to compromise on personal security.
BUILT TO BRAVE THE ELEMENTS - Water-resistant and rugged construction means your safety alarm stays reliable rain or shine.

The Byrna Banshee Personal Security Alarm is a compact, military-grade safety device that emits a powerful 130dB alert—comparable to a jet engine at 50 feet—to deter threats and summon help. Featuring a durable, water-resistant design and a convenient carabiner for easy attachment, it runs on replaceable lithium batteries lasting up to one year, making it an essential, reliable companion for anyone prioritizing personal safety.

Specifications

ASIN	B09GBQFCZS
Battery Description	Lithium
Battery description	Lithium
Best Sellers Rank	818,389 in DIY & Tools ( See Top 100 in DIY & Tools ) 778 in Sirens
Brand	Byrna
Colour	Black
Control Method	Touch
Control method	Touch
Customer Reviews	4.3 out of 5 stars 224 Reviews
Included Components	Batteries
Item Weight	0.03 Kilograms
Manufacturer	Byrna
Maximum Range	50 Feet
Model Number	BM68450
Number of Batteries	2 CR2032 batteries required. (included)
Number of batteries	2 CR2032 batteries required. (included)
Part Number	BM68450
Power source	Battery Powered
Sensor Technology	Manual Activation
Sound Level	130 Decibels
UPC	810042111172
Unit Count	1.0 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

T**M

Not working well. Disappointed for how much I paid.

Not working the way the advertisement said it would. Very disappointed.

27.08.2022

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

J**S

Audible self defense alarm

Nice portable personal alarm for self defense.

30.04.2026

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R$852

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Zainab N.

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1 week ago