ULTRASOUND

Welcome to the application of ultrasonic more efficient and easier to use. If you are attacking dogs this application could save your life. Ultrasounds are sounds that humans can not hear, but if you can hear many animals, application mixes sounds if you can hear the sounds that humans can only hear some animals, some of these ultrasounds scare some animals making them much uence quickly. It is also an excellent insect repellent. Humans can hear up to a frequency of 20 KHz while dogs can hear up to 40 KHz, cats and some insects to about 60 Khz.
The application mixture may hear sounds that if humans with ultrasonic creating a mixture scare most animals. Also, the application serves to repel mosquitoes and repel insects, pressing the mosquitos a very faint sound but the sound is really too high for many insects and mosquitoes will be heard.
Enjoy the application and if you have any questions do not hesitate to ask.