Ultrasound and electromagnetic repellent for rats and insects

Ultrasound and electromagnetic repellent for rats and insects- The device works using electromagnetic and ultrasound waves.- Electromagnetic waves: the red light shows that the electromagnetic part is operating for 180 seconds, followed by 180 second intervals.- Ultrasound waves. There are two different operating methods, a variable sweep, with a frequency between 20 and 40 khz, and a fixed frequency of 55 khz.- Night light. There is an on/off switch for the night light so it can be turned off if not required.- Warning: do not place the device on carpeted surfaces, behind furniture, curtains or other soft objects because they absorb the sound waves. - The sound waves that are emitted are outside the hearing range of humans and most pets such as dogs, cats, fish, birds and farm animals.- Consumption < 3.5 w.- Article known as repellent for flies, cockroaches, mosquitoes, rats, etc.