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