Ultrasonic Pest Repeller, ZEROPEST Indoor Ultrasonic Insect Repellers for Mice, Electronic Plug-in Sonic Repellent Pest Control for Bugs Roaches Spiders Mosquitoes - 6 Packs : Patio, Lawn & Garden

Description

Adopting the high-frequency ultrasonic technology to impact mice, spiders, fleas, cockroaches, ant, flies, mosquitoes on their hearing and nervous system to make them unpleasant and uncomfortable, which will drive them away from your home and make them don't dare to come close to your home anymore. Ultrasound is inaudible to humans and household pets. It is a perfect substitute for harmful and dangerous chemicals, poisons and traps. It has no peculiar smell and noise. The maximum effective coverage area of a unit is 1200 square feet. We recommend that you install one for each room, because ultrasonic waves cannot penetrate the wall, so for areas with severe pest infestations, we recommend installing two or more. And make sure that there are no curtains or cabinets in front of the unit.

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