Ultrasonic repellents of cockroaches today are still experiencing a boom in popularity among consumers. Most residents of apartments with a special desire to buy, although not the cheapest, but extremely easy to use and safe means.
It's no joke - on the assurance of manufacturers such an ultrasonic repeller cockroaches simply enough to plug into a socket in order to forever forget about these insects. And no insecticides, no worries, unpleasant odor and health hazards.
But how much such a cockroach repeller is effective, it is worthwhile to understand. After all, give them the result promised by the sellers, and all the services of pest control would be left without work. But no, chemical agents continue to poison cockroaches. What is the matter here?
The effect produced by ultrasonic devices is well described by their name: they repel insects. Of course, there is no sense in talking about the destruction of cockroaches by ultrasound: sound can not kill an insect. Therefore, it is not worthwhile to look for ultrasonic destroying of cockroaches on the markets, because it simply does not exist in nature.
The principle of the action of ultrasonic repellents is based on the instincts of insects communicating with the help of their ultrasonic signals. For example, mosquitoes with the help of ultrasound attract marital partners and inform "colleagues" about the danger. Each signal has its own frequency, and if the device produces a repelling sound in the right range, the mosquitoes will scatter from it.
It is interesting
It was against mosquitoes that effective repellents, imitating the ultrasonic signal of a bat, the main fighter of insects, proved effective. Hearing the appropriate sounds, mosquitoes fly in panic.
Accordingly, ultrasonic scarers are effective only against those insects that use high frequency sounds in their vital activity.
And what about cockroaches?
Are ultrasonic repellents effective against cockroaches?
But cockroaches do not communicate with ultrasound. They have no organs with which they can make such sounds. Accordingly, ultrasound from cockroaches is no more effective than from bedbugs or humans.
Simply put - generally not effective. Cockroaches ultrasound of low power, harmless to humans, ignore, and very powerful is able to survive from the house not only six-legged, but also all warm-blooded mammals. Including people.
"They ordered a deterrent on the Internet, they told us that the most powerful. They switched on, took a few days and the guinea pig in the next room stopped eating. My daughter and I always got a headache. They called the seller, he told us that, they say, animals and people should be kept away from the deterrent. Why is it needed then, if it is so harmful? Better then checked by Dikhlofos to drain everything. "
However, experiments have shown that ultrasound of a certain power can have a long-term effect on the overall condition of the cockroach. If an insect is constantly in the zone of action of such an ultrasound for a very long time, it may have certain disorders in the nervous system.
But it is worthwhile to understand that the power of such a striking signal must be very high, harmful for humans as well. And the cockroach device will not scare away, but only in an unpredictable manner will change their behavior.
As practice shows, the most effective ultrasound agent from cockroaches allows only to a small extent to reduce the number of pests in the apartment. Perhaps this is due to the fact that insects avoid multiplying in the presence of the source of such a signal. But in general, the struggle with ultrasonic cockroaches is the least effective way to get rid of these insects.
At the same time, the merits that sellers reward each ultrasound device from cockroaches, does not let sleeping owners of apartments, sharing living space with mustachioids, sleep peacefully. Indeed, I want to believe that instead of a long and tedious treatment of the premises with toxic agents, you can just plug a small device into the outlet and watch with triumph the crowds of panic-stricken pests rushing into the ventilation.
On such desires of consumers, sellers of scarers, who offer a huge number of electronic means to choose, are counting.
Brands of repellers and reviews about them
Buy ultrasonic repeller cockroaches today is simple: they "break down warehouses" of online stores and not enough space on the shelves of market stalls. Most of these devices are of Chinese origin, low cost and very questionable efficiency.
As the checks show, some of them are not that of cockroaches, but even mosquitoes are not deterred.
The most powerful scarers can reduce the activity of cockroaches in a small area near you. But they are more expensive and are sold mainly in online stores of manufacturers and dealers. There are several brands, each with its own properties and consumer opinions.
Typhoon LS-500 Ultrasonic Repeller of Cockroaches
It is a domestic powerful ultrasound repeller of mice and cockroaches. According to specially conducted studies, it was the Typhoon that provided the maximum level of insect anxiety in the zone of effect of its sound.
The manufacturer claims that the repeller effectively cleans the cockroaches area in a radius of 80 meters around him. In operation it is good that it has a fork removed on the cable, which ensures its certain mobility.
It is worth typhoon LS-500 945 rubles and is sold in hardware stores and on the Internet.
"I struggled for a long time with cockroach houses and Velcro. They, of course, help, but not much. I decided to buy an ultrasound, Typhoon, I tried it. Well, what can I say, money thrown to the wind. Its cockroaches are not afraid . Particularly enraged when one cockroach right on the wall near the working repeller saw. I called the seller, he said that they do not give a guarantee for efficiency. "
Ultrasonic repeller of cockroaches Ixus KY-6182
Has the same characteristics as Typhoon, only a little easier and cheaper. Its price is 820 rubles and it is sold mainly in Internet shops.
"Such a repeller bought a daughter in a dorm. She hung it and forgot about him. A couple of months, probably, passed, and there were so many cockroaches, so much remained. "
A typical representative of consumer goods, actively promoted and even bought despite the high price and the complete lack of positive feedback on his work. Users verified that this ultrasonic device from cockroaches does not even act on mosquitoes.
"Like many of our neighbors, we constantly fought against cockroaches, but without much success. When the market appeared newfangled ultrasonic devices, immediately bought a Zenet. No sense from him, cockroaches run around him when he works! "
"Money thrown to the wind. That he is in the room, that he is not - cockroaches to one place. They threw him out a month later and put the cockroaches on him. "
Air Comfort XJ-90
The same Zenet, no different from him even externally. Released after the predecessor completely discredited himself completely useless. In fact, it is already a tested and non-working device under a different name.
"I was very surprised when I got this Air Comfort. This is a complete copy of the Zenet, only with a different name. And the same useless. In short, do not be fooled by the divorce of sellers, this all junk does not work. "
Olga, Nizhny Novgorod
Produced in the USA. On the assurances of the manufacturer works on an area of up to 220 square meters. m and gives results only after a week of use. The funny thing is that in the instructions the manufacturer recommends the first week of using the repeller to combine its operation with the use of traps and gels.
And it's not surprising: for a week of work, Velcro and poison successfully destroy most of the insects and without a repeller, but the conscience of the manufacturer will be clean.
There are no reviews of this device. Perhaps this is a good reason to ponder why it costs only 600 rubles ...
Taiwanese technology, the only effective tool from the more or less popular in the market: cockroaches do, within 3-4 weeks of its use, leave the room in which it operates.
But ... the device is not safe. Nearby it is forbidden to sleep and install cages with pets, it produces a man-heard squeak. With these characteristics, it makes sense to think about whether replacing the repeller with low-toxicity insecticides?
"Everyone is just saying what this Banzai is powerful. Well, we bought it, plugged it into the socket under the sink, where the cockroaches are most. A week later, they were not found under the sink, but at the other ends of the kitchen they crawl and feel normal. And you can not transfer it to living rooms, because it is dangerous. As a result, you can not get rid of the apartment from cockroaches. "
You can try to make an ultrasonic repeller cockroaches with your own hands. On the Internet, in the same forums where you can find out where to buy ultrasounds from cockroaches, schemes and descriptions of the order of assembling the device for people who are versed in electrical engineering are given.
For a specialist, this is a simple task, but the final device will have the same drawbacks as the industrial development: it will either be inefficient or harmful to humans.
Therefore, starting the fight against cockroaches, ultrasound against cockroaches, it is much more reasonable to replace gels or aerosols with low-risk for humans and domestic animals, and with a small number of insects indoors, use traps. The result in any case will be more noticeable.