& : Ultrasonic Pest Repeller physically eradicates insects and pests without chemicals or toxins. Odorless, non-toxic and zap-free, which is safer for pets and children. &:Ultrasonic waves are only identified by insects, free from radiation, odor and noise. Simply plug this noise rejecter into the outlet and vertically to the ground. : The insect and rodent repellent can be placed in rooms in the house such as the living room, kitchen, bedroom or office. Since ultrasonic waves cannot penetrate walls and solid objects, it is recommended to put one in every room. ,: Nothing can ruin a perfect day outdoors like the emergence of pests, ultrasonic pest repellents are one way to solve this pest problem. In general, it takes 3 to 4 weeks to take effect.
