Human and pet friendly: This ultrasonic pest repeller is completely safe for people and pets. Good damaging effects on mice, cockroaches, spiders, mosquitoes, insects, rats, rodents, flies, ants, fleas and other pests.High technology: Based on the principle of defence against physical pests, which uses the latest dual chip, this mouse repeller emits different ultrasonic wave frequencies to irritate the nervous system of insects and rats, making them feel uncomfortable and making them gradually flee. Intermittent changes in ultrasonic frequency prevent them from developing immunity and adaptability.Easy to use: simply plug the electronic ultrasonic repeller into the socket for pest control and it will start to repel the pests when you see that the blue night light is lit. Gives a sense of security when you are sleeping in the dark night.Lightweight and widely used: the ultrasonic pest repeller is portable and easy to install, just plug and play. Widely used in households, warehouses, offices, hotels, etc. Energy saving, no battery required and saves a lot of money.Large coverage: the effective cover of each pest control is up to 20-50 square metres. It is recommended to install this pest repeller 20-80 cm vertically from the floor. For best results, you should equip each room with a pest repeller.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it