Piyjrrf Ultrasonic Pest Repeller,6 Pack Electronic Pest Repellent Plug in Indoor for Spider,Mosquito, Mouse, Cockroaches, Rats, Bugs.

【Ultrasonic Pest Repeller】: This pest control ultrasonic repellent works by emitting a disorienting pulse. The pest repeller ultrasonic repeller is very effective in pest control and keeps pests away from your home or office.
【Two light modes】: The light can be chosen - on and off, it is more effective to turn the light on, the light can also act as a small night light. Your sleep won't be disturbed. It can also be used as a night light. It's advised to turn on the light for a better effect of repelling mosquitoes.
【EASY TO USE】: Just plug the electronic pest control ultrasonic repellent in power sockets. This time the machine began to work when the blue light on. Most customers can see the results within 3-4 weeks! Then we can say goodbye to pest and mice!
【WIDE EFFECTIVE COVERAGE】: The product is effective in an indoor area up to 1800 sq. ft. It's widely used in homes, warehouses, offices, gardens, hotels, etc. We recommend you to install one for each room because the ultrasound cannot penetrate walls and solid objects. But for areas with serious Vermin, we suggest install 2 or more devices for other room. They aren't effective for other rooms if you install device at one room.
【SAFE FOR HUMAN & PETS】: The ultrasonic frequency of the electronic mosquito repellent is inaudible to humans and pets, environmental-friendly,The rodent repellent ultrasonic plug-in does not eliminate insects, but removes them from the covered area without using chemicals or smoke, which is an ideal choice for anyone who does not want to clean up for a long time.