Virtual Store USA Ultrasonic Insect Bug Repellent ~ Odorless, Noiseless, Effective ~ 100% Satisfaction Guarantee! ~ Great for Mosquitoes, Mice, Cockroaches, Insects and More! Virtual Store USA Ultrasonic Insect Bug Repellent The ultrasonic waves sent out from this machine are outside the hearing range of humans but effectively push away rodents, insects and other unwanted pests! Safe for humans and pets! Environmentally friendly Consumes virtually no electricity saving you money!