Bcurb Home Kitchen Products - Ultrasonic Pest Repeller Electronic Plug in Repellent Mice, Mosquitoes, Cockroaches, Ants, Rodents, Flies, Bugs, Spiders, Rats, Other Insects (Blue/White - 2 Pc) REPELS PESTS & RODENTS BY LATEST ULTRASONIC TECHNOLOGY - Our pest control uses ultrasonic fequency sound waves to keep bugs, mice, cockroaches, rodents, spiders, ants and rats away from your home for good. None are immune to the sound and all will leave after 3 weeks of use, no worry about clean up dead animals. SAFEST PEST CONTROL SOLUTION: No harmful chemicals or poisons. The ultrasonic frequency is inaudible to humans and pets, animal-friendly, and safe for children. Unlike glue traps, mousetraps, poisons or roach motelsall of which kill bugs and leave a messy cleanupour Ultrasonic Pest Repeller. LARGE COVERAGE AREA - This pest control repeller is in the range of 80 to 120 square meters of the room can play an effective role. Make sure ultrasonic pest control isn't blocked by furniture or curtains in your room. You can place a few more to increase the removal effect. HOW DOES IT WORK? Ultrasonic Pest Repeller uses state of the art ultrasonic technology to drive pests away. The ultrasonic can act upon the hearing and the nervous system of the mice, rats and insects to make them unpleasant and uncomfortable and forces them to leave your home. Outdoor pests and insects will no longer come back. NO HARM AND SAFE - Pest control ultrasonic that sent out from this machine is far away from hearing range of human being. They will not do harm to human being and pets. Also will not have affect on house machine.