Certain ultrasonic frequencies (beyond human hearing) can irritate certain insects and rodents. This repeller emits these frequencies to keep these creatures away. Simply plug this device into any 110-Volt AC outlet and ultrasonic waves are automatically emitted.
* Doubles as a night light
* Totally silent operation - does not effect human hearing
* Uses no chemicals or harmful pathogens
* Can adequately cover a 12x18 room
* Can penetrate through most walls to break-up hidden nests.