BestReviews is reader-supported and may earn an affiliate commission. Details
This powerful safety alarm offers multiple modes to alert others while remaining small and colorful on your keychain.
Offers both audio and visual cues through the strobe light and siren. Easy to operate thanks to the pull mechanism. Fits comfortably in the hand, purse, or on a keyring. Simply insert the ring back for repeated use. Offered in multiple colors, including blue, black, and more.
Some users report that the alarm goes off by accident.
The highest-decibel alarm on our shortlist, this multi-pack includes enough for everyone in your house.
Six pack of alarms that scream an impressive 140 dB. Can be heard 600 feet away for more than 50 minutes. Made from strong, crush-resistant ABS plastic. Included batteries last up to a year. Outfitted with small, but powerful LED.
A few customers found a dud or two in their multi-pack.
With adorable cat ears and pastel colors, this personal alarm is both functional and fashion-forward.
Set of three alarms arrives in a variety of colors and expressions for users to pick from based on preference. Reusable, as it only requires pulling the pin to activate. Cat faces keychains won't stand out and look adorable. An excellent choice for kids.
Some users wish the alarm was louder.
This heavy-duty personal alarm is geared toward finding safety and attention in more isolated situations.
Offers 3 light modes, so users can navigate through dimly lit areas indoors and outdoors. Constructed with a loud siren that deters attackers and alerts bystanders. Sabre is known for its reliability in the self-defense category.
Not as effective as a typical flashlight.
This alarm arrives with rechargeable batteries, so users can simply plug them in for full power with each outing.
Rechargeable through any USB outlet for consistent use, and requires only 30 minutes of being plugged in. Features an emergency flashlight and siren. Lightweight and smooth, so easy to transport. Available in multiple colors.
Can activate accidentally, especially if put in a purse or backpack.
We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.