Ultrasonic Repellent, 2pcs Ultrasonic Mice, Anti Rodent Insect Repellent Mosquito Repellent EFFECTIVEUltrasonic repellent is perfect for babies and pregnant women. Ultrasonic Repeller No more worrying about having mosquitoes, cockroaches and other insects at home. Ultrasonic and electromagnetic waves is able to effectively repel cockroaches, rodents, mice and other pests by affecting their auditory nervous systems. SAFE AND ENVIRONMENTAL FRIENDLY Poison-free, No chemicals, traps and no kills, the ultrasonic mouse is 100% safe and harmless. the ultrasonic repeller a physical method to expel pests, non-toxic, environmentally friendly and absolutely safe for children and pets, mouse repeller a pest control that combines advanced technology and humane. EASY TO INSTALL AND USEThe mouse repellent It has a button to turn it on, then the blue LED indicator flashes to indicate that it is working. Place ultrasonic mouse repellent 20-100 cm from the ground. Mouse Traps Usually you can get results in 3-4 weeks depending on the degree of infestation. no more rat droppings, no more cockroaches, mosquitoes away. female dog is not bothered. The cats continue their turn as before. WIDE COVERAGE AREAEach mouse defense ultrasound is effective for a large area up to 80-120 sqm. Please note that ultrasonic waves cannot pass through walls. Although our ultrasonic mouse works well, we recommend placing our mouse repellent in each room if the infestation is severe. Because ultrasonic waves do not penetrate walls or solid objects.