What is an emergency alarm keychain: Does it work? 2026

The demand for self-defense courses by citizens grows year after year. Other vulnerable victims, especially because they are common targets of robbers, are women and older people.

For greater peace of mind, there are security devices that can be carried such as alarm keychains.

Citizen security in Spain

To clarify the citizen security situation in Spain currently, we must look at crime data comparing different years. We will look at the crime rates for 2019 and 2021.

In general terms, in 2021 there wasthe lowest crime rate so far this century, excluding of course the year 2020. Although this is good news, it is worth analyzing which crimes have decreased and which have increased.

Attempted murder and intentional homicide have increased the most in that two-year period, specifically 23.4% according to data fromThe country. On the other hand, sexual assaults have increased by 14.4%.

This fact is of particular concern to feminist associations and women in general, who cannot help but feel increasingly insecure. The increased demand for self-defense courses may be mainly due to this.

On the opposite side, among the criminal activities that have been reduced the most, thefts are at the topwith a drop of 30%, a great data.

Robberies with force at homes and other types of properties have also decreased considerably, 26.1% to be exact, according toThe country.

What conclusions can we draw from this data? The first, without a doubt, is that the installation of alarms and otherssecurity devices in homes and premises work. And, the second is that the feeling of insecurity on the streets increases progressively.

In this sense, it is important that citizens value the possibilityto carry a personal defense device. Regarding this, doubts may arise related to their legality, as well as the limits of use. We explain everything to you in detail.

The most popular items for self-defense

These are the best-known elements to defend ourselves against an aggressor:

• tear spray: These are aerosols that irritate the eyes, making it impossible for the person to open them and causing tears. Legally, its use is totally prohibited in Spain.
• pepper spray: It is often confused with tear spray, but the truth is that the latter is allowed (if approved). It is allowed in situations where our physical integrity is at risk. The requirement to acquire it is to be of legal age.
• dazzling lanterns: They are pocket objects that emit a very powerful light that can serve, as their name suggests, to dazzle the aggressor. As in the case of pepper spray, its use is permitted.
• Cat face keychains: Its shape allows fingers to be inserted into the eye sockets, and the pointed ears function as a stabbing weapon. Due to the latter, its use is prohibited and carrying one is grounds for punishment by the authorities.
• Emergency alarm keychains: It is the latter that we are going to talk about in more detail, since they are allowed and their use can be very effective despite being one of the least aggressive methods.

What is an emergency alarm keychain

As their name suggests, these are small keychains that have a built-in alarm. These alarms are not connected to any central unit nor are their objective to detect the presence of an aggressor.

These keychains have a built-in tab thatmust be removed to activate said alarm. Its operation lies in the emission of a deafening noise that has two objectives:

• Drive away the aggressor
• Alert anyone within a 180 meter radius, which is the average range of its sound.

Depending on the model, the alarm reachesbetween 110 and 140 decibels, and the noise it emits is ascending. As we have indicated previously, it is recommended as a defensive device because it is less aggressive than others such as pepper spray.

In addition, they have an advantage over dazzling flashlights, which are also less aggressive than spray. For the latter to be effective, the aggressor must be relatively close to us.

On the other hand, the alarm keychain can be activated if we suspect we are in danger,although the possible attacker has not gotten too close to us.

Another of its great advantages is that its use is not limited to personal defense, but canbe used for other purposes. But is this device really useful?

Uses of emergency alarm keychains

We have already explained in detail how these keychains work in dangerous situations. It is undoubtedly an effective method, since the power of its sound acts as a deterrent and most likely someone will hear us when we activate it.

However, alarm keychains have other functions. Among them, these are devices that the elderly can use to ask for help. Especially if they live alone and if they have fallen, for example, a neighbor will hear them.

On the other hand, Social Security grants older people who need a keychain with similar characteristics. It does not emit a loud noise but is connected to an emergency service. All you have to do is press the button for a specialized team to come to your home.

Finally, keychains with alarms are also useful in case you cannot locate the keys. Some models can be activated remotely, sothe sound helps us locate them. There are also sophisticated models connected to the mobile phone that show the location.

As you have seen, keychains with emergency alarms can be very effective and have different uses. On Amazon you can find models from the modest price of 20 euros.

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