4 In 1 Ultrasonic Repeller Anti Mice Rats Mosquitoes Cockroaches Spiders Portable Electric Device Indoor Plug

【Ultrasonic Pest Repeller】Ultrasonic pest control emits low frequency sound waves (20-55kHz), the frequencies of ultrasonic waves and electromagnetic waves are converted and coexist, which can effectively affect the neurological hearing system, drive them away quickly and effectively. 【Wide Coverage】Just plug the ultrasonic pest exterminator into a regular power outlet, then the LED indicator lights up and it starts working, easy to use and convenient to carry. The manufacturer suggests using one unit for approximately 80 to 120 m². 【Safe and Environmentally Friendly】The mosquito repellent is safe, odorless, chemical-free, non-toxic or radiative. With advanced ultrasound and sawtooth wave control, you can kill insects, mice, cockroaches, mosquitoes, ants and spiders.【Easy to Use Pest Repeller】Mini size design, you just need to plug the electronic rat repellent control into any outlet, make sure to install it vertically 20-80cm from the ground. The blue light is on, which means it can be run automatically without complicated installation process. You can see the pests disappear in 3-4 weeks.