With a contemporary, slimline and discreet design, our indoor repellers are a simple, humane and mess-free pest control solution. It emits ultrasonic waves over an impressive 1,000 square feet, causing auditory stress to rodents and crawling insects, discouraging their presence in the home. Ultrasonic waves target either rodents or insect pests LED Light cleverly displays current setting Targets rats, mice, spiders, cockroaches and ants Harmless to pets, children and pregnant women