Plug-in Mosquito Repellent, Ultrasonic Mouse and Fly Repellent 4-Pack, Effective Mouse Repellent Device for Repelling Rats, Spiders, and Mosquitoes

【Intelligent Frequency Conversion】 The ultrasonic pest repeller adopts automatic frequency conversion technology to emit ultrasonic waves from 20~55kHz, stimulating the auditory and nervous systems of mosquitoes, cockroaches, mice, mites, and other pests to effectively keep pests away from your home.

【Insect Repellent Safe for Humans and Pets】 The ultrasonic mouse repellent frequency is 20~55kHz, and the human ear cannot hear frequencies above 20kHz.

As long as the repellent is not placed in the hearing-sensitive area of cats and dogs, it will not harm your pet. 【Wide Coverage Insect Repellent】 This rodent repellent can effectively prevent pests in an indoor area of up to 80-120 square meters and can be widely used in homes, warehouses, offices, supermarkets, hotels, etc. However, for areas with serious pest infestations, we suggest installing 2 or more. 【Plug-and-Play Rat Repellent】 Simply plug in our pest repellent; it will start working when you notice the misty glow. This rat repellent should be installed 10-30 inches from the floor and with no other obstructions within 1 meter. It is not effective in other rooms if you install devices in one room.