Description
The Byrna Banshee is a compact personal safety alarm built around one simple idea: make enough noise that nobody can ignore it. Press the button and it lets out a 130dB shriek, which Byrna compares to standing 50 feet from a military jet at takeoff. That kind of volume does two things in a bad situation. It disorients whoever's getting too close, and it tells everyone within earshot that something's wrong and you need help. For anyone who wants a layer of protection without carrying a weapon, this little device covers a lot of ground.
What Makes the Banshee Worth Clipping On
It comes packaged with a carabiner that snaps right onto a backpack, purse strap, or belt loop, so it's within reach when seconds matter instead of buried at the bottom of a bag. The housing is durable and water-resistant, meaning rain, snow, or a sweaty gym bag won't kill it. Byrna designed this thing for everyday carry, and it shows in how light and low-profile it is. You'll forget it's hanging there until the moment you need it.
Who Reaches for a Byrna Banshee
Students walking across campus at night, commuters heading to a parking garage, seniors out for a stroll, and hikers or runners covering ground alone all get real peace of mind from something this straightforward. There's no aiming, no permits to think about, and nothing to point at anyone. Just noise, and plenty of it.
Battery Life and Everyday Reliability
The Banshee runs on replaceable batteries that last up to a year with normal standby use, so you're not constantly babysitting it or tossing it after one scare. When the batteries do run down, you swap them and keep going rather than buying a whole new unit. That reusable design is a big part of why folks keep one clipped to every bag in the house. It's the kind of tool you buy once, stash where you'll need it, and stop thinking about until the day it earns its keep.
Key Specifications
- Brand: Byrna Technologies
- Model: Banshee
- Type: Personal Safety Alarm
- Sound Output: 130 decibels
- Color: Black
- Power Source: Replaceable batteries (2x CR2032)
- Battery Life: Up to 1 year
- Water Resistance: Yes, water-resistant
- Included Accessory: Carabiner clip
- Length: 4 in
- Width: 1.5 in
- Height: 1.1 in
- Manufacturer Part Number: BM68450
- UPC: 810042111172
What’s Included
- (1) Byrna Banshee 130dB Personal Safety Alarm
- (1) Carabiner clip
Frequently Asked Questions
How loud is the Byrna Banshee alarm?
The Banshee puts out a 130dB alert, which Byrna describes as roughly what you'd hear standing 50 feet from a military jet at takeoff. That's loud enough to disorient someone crowding your space and pull attention from anyone nearby. It carries a long way outdoors, which is exactly the point.
Does the Byrna Banshee use rechargeable or replaceable batteries?
It runs on replaceable batteries rather than a rechargeable pack. They're rated to last up to a year with normal standby use, and when they wear down you simply swap in fresh ones instead of replacing the whole unit. That keeps the alarm reusable for the long haul.
Can I attach the Banshee to a backpack or keys?
Yes. It ships with a carabiner that clips onto backpacks, purse straps, belt loops, or a keyring, so it stays within quick reach. A lot of people keep one on every bag they carry regularly so it's always right there when needed.
Is the Byrna Banshee water-resistant?
It is. The housing is built from durable, water-resistant material, so rain, snow, or a damp gym bag won't stop it from working. That makes it a solid pick for runners, hikers, and anyone carrying it outdoors year-round.




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