Repeller (1 pack) DRIVE ALL PESTS AWAY : With Latest Ultrasonic Technology, it sends out ultrasonic frequencies which can make pests feel annoying, force them to leave. SILENT AND SAFE! The Pest Repeller works with high ultrasonic frequencies that are annoying to small insects, but are safe for you and your pets. The frequency is too high and harmless for humans and large pets. NO MORE CHEMICALS! Insecticides are dangerous, toxic chemicals that often target the nervous system of insects. Get rid of these chemicals from your life with this amazing ultrasonic insect pest control device. EASY TO USE RIGHT! Place the Pest Repeller in an open space with no soft large objects in front of it. Try to use the Repeller in a central space of your home for maximum effect. LATEST TECHNOLOGY - Sends out inaudible sounds to get rid pests from your home, In-Audible to the human ear but extremely annoying to roaches, rats and ants. They've annoyed you enough, now its time to annoy them right back