Ultrasonic pest repellers are small electronic devices that emit high-frequency sound waves, also known as ultrasonic sound waves, to repel cockroaches, crickets, bed bugs, rodents, and other pests. These devices produce sound at a frequency that is inaudible to humans but supposedly intolerable to pests. Electronic pest repellers.. Sentinel Repeller. The Sentinel ultrasonic repeller keeps your garden free of unwanted pests. The unit emits a high frequency sound that is silent to humans, but irritating to animals such as birds, cats, dogs, badgers and many more. With a huge range of 50 mtr, the waterproof deterrent is mains powered and delivers protection 24/7.
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An ultrasonic pest repeller is an electronic device that emits a high-pitched sound. Humans are unable to hear the high-pitched sound, but household pests can hear the noise and are either killed, repelled, or incapacitated by it. These devices are usually plugged into an outlet, and there are also battery-powered devices that can be placed.. Unlike other pest treatments that use toxic insecticides to eradicate the problem, an ultrasonic pest repeller only uses high-frequency sounds (above 20 kilohertz) to keep pests away from your home.
