Ultrasonic Repellent, 2pcs Ultrasonic Mice, Anti Rodent Insect Repellent Mosquito 【EFFECTIVE】Ultrasonic repellent is perfect for babies and pregnant women. Ultrasonic repellent no longer need to worry 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 , Free of chemicals, traps and 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 combining advanced technology and humane. < p>【EASY INSTALLATION AND USE】 The 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