Ultrasonic Pest Repeller Plug in Indoor Insect Repellent Mice and Rat for Mosquitoes Cockroaches Ants Spiders Termite other Pests,4pack

Ultrasonic technology support: ultrasonic pest repeller uses 22-65Hz ultrasonic frequency to disturb the hearing of the pest and destroy the nervous system of the pest. This insect repellent can effectively resist most pests and is a perfect substitute for drugs and traps 100% safe : This insect repellent has no harm to humans and pets, no noise, no radiation, and pregnant women and babies can use it with confidence, and effectively prevent the invasion of pests Wide effective coverage area: The maximum area of the mosquito repellent can cover 120square meters, but ultrasonic waves cannot penetrate solids such as walls. It is recommended to use one in a single room for better insect repellent effec Simple to use: Just plug rat repellent ultrasonic into a power outlet perpendicular to the floor, and it will work immediately after the indicator light is on.It usually takes 3-4 weeks for a different result depending on the amount of infestation 100% after-sales:guarantee-60 days full refund, 180 days quality guarantee, you don't have to worry about after-sales problems, we will try our best to serve you