Punchau Indoor Ultrasonic Pest Repeller w/Nightlight - Electronic Repellent for Mice, Roaches, Mosquitoes, Ants, Spiders, Flies, Fleas, Rodents, Insects & Other Pests - Twin Pack [Enhanced Frequency] PROTECT YOUR HOME FROM PESTS THE EASY WAY - Have unwanted pests & insects, such as mice, rats, cockroaches, mosquitoes, ants, spiders, flies, & fleas to name a few, set up shop in your home? Drive them away without harmful pesticides or chemicals using our ENHANCED ULTRASONIC TECHNOLOGY! Simply plug a Punchau Electronic Pest Repeller into an outlet in every room where pests are a concern to send them packing & never to return! ENHANCED ULTRASONIC FREQUENCIES - These enhanced ultrasonic pest repellent frequencies create an irritating blanket of sound that will cause confusion and drive unwanted pests away from your home. Set the frequency to either Variable or Fixed in order to prevent rodents from getting accustomed to the emitted sound waves; securing your home once and for all! IMPROVED ELECTROMAGNETIC SOUND WAVES - The Punchau Indoor Pest Repeller's electromagnetic technology utilizes the existing wiring in your home to enhance its effectiveness at repelling rodents & insects. The Electromagnetic Sound Waves emitted by this pest repelling aid essentially turn your home's wiring into mini-pest repellents; expanding the range and effectiveness of our electromagnetic repellent over the competition! PROVEN TRACK RECORD - The Punchau pest-ridding frequency has proven effective time & time again. Pests won't be safe in their nests or in hiding anywhere within the Punchau Sonic Pest Repeller's extended frequency range. Purchase a pair of these electric pest repellers to double the effectiveness, and at last, finally rid your home of all vermin! WON'T HARM HUMANS OR HOUSE PETS ALIKE - Our enhanced frequencies used to drive away pests, rodents, & other unwanted vermin WILL NEVER be heard by a human being or any of your household pets. Plus, since no pest is killed by our electronic pest repellent there won't be any messy cleanup to attend to once you've solved your rodent problem.