(mail order box) Plug in unit, NO batterys required
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.