SAY GOODBYE TO ALL KINDS OF PESTS The ultrasonic mouse repellent can effectively repel all kinds of pests, such as rats, cockroaches, spiders, mosquitoes, etc. Generally, the effect can be seen within 2-3 weeks, and continuous use can say goodbye to pests ultrasonic pest control repeller suitable for houses, offices, garages, hotels, basements, etc. powerful sonic electric repeller eliminates most invaders out from your house.100% SAFE FOR CHILDREN & PETS ultrasonic rodent repellent is completely safe for human pets. The sound of Ultrasonic Pest Repeller is inaudible to humans and pets, and is only effective against pests. And there is no need to clean up dead insects, no batteries and low power consumption, Electronic Household deterrent plug in. No Spray, No SoundEASY TO INSTALLJust plug the Electronic pest repeller control into a power outlet 10-30 inches from the ground, and when you notice the blue night light is on, it will start to repel the insects. dual ultrasonic pest repellent with pulsing night light, Ultrasonic Insect Repellent can also be used as a sleep night light without making noise and providing a sense of security for the dark night.WIDE EFFECTIVE COVERGE The Ultrasonic mosquito repellent is effective in an indoor area up to 1600 sq. The ultrasonic mouse repellent is recommended to install this pest repeller vertically from 20-80cm away from the ground. Equipped each room with one ultrasonic pest control repeller can achieve the best result.