Ultrasonic Mosquito Repellent Device Plug Repellent Mice Rats Spiders Cockroaches 4 Packs Effective

Description 【Ultrasonic Pest Repeller】JUCHENG ultrasonic pest repeller adopts ultrasonic automatic frequency conversion technology to emit 20~55KHZ ultrasonic waves, to stimulate the hearing and nervous systems of mosquitoes, cockroaches, mice, mites and other pests to effectively keep pests away from your home. 【Safe Insect Repellent for Humans and Pets】The mouse repellent ultrasonic frequency is 20~55KHZ, and the human ear cannot hear the frequency above 20KHZ. As long as the repellent is not placed in the hearing sensitive area of ​​cats and dogs, it will not cause any harm to your pet.【Wide Coverage Insect Repellent】This rodent repellent can effectively prevent pests in an indoor area of ​​up to 80-120 square meters, can be widely used in homes, offices, hotels, etc. We recommend installing one for each room because the waves. 【Plug-and-Play Anti-Rat】Simply plug in our pest repellent, it works when you notice the misty glow. This rat repellent should be installed 10-30 inches from the ground and no other obstacles within 1 meter. They are not effective for other rooms if you install devices in one room.