Ultrasonic Pest Repeller 6 Pack [2018 UPGRADED] 100% Safe Electronic Pest Control Ultrasonic Repellent, Indoor Plug in Ultrasonic Pest Repellent for Mice, Cockroach, Spider, Ant, Mosquito, Bug, Insect 2018 LATEST CHIP TECHNOLOGY & ALL-ROUND PTOTECTION - The package includes 6 pack enhanced version ultrasonic pest repellers. Adopt the latest chip technology to improve ultrasonic waves to disturb and irritate the nervous system of pests, so this pest reject ultrasonic repeller can repel for mice, fleas, ants, mosquitoes, flies, spider, cockroaches, bugs, rodents and insects. To make them uncomfortable and force them to leave your home, it will protect your home from pest all-around and forever. 100% SAFE & ECO-FRIENDLY PEST CONTROL SOLUTION - Non-toxic, No radiation, No harmful chemicals, Odorless, Inaudible and 100% Safe to human and pets. The ultrasonic pest repellent just repel pests away without killing them, say goodbye to mice traps, glues traps, roach motels, poisons and insect sprays. No need to clean up dead pests, no more need to call pest control technician for help, no battery required and save a lot of money. EASY TO USE & LOOK NICE - Just plug the electronic pest control ultrasonic repellent in power sockets and it will start to repel the pests when you notice the blue night light is on. Recommend plug the ultrasonic pest control repeller at between 30-50 inches away from the floor or you can determine the installation height depending on the type of pests. LARGE EFFECTIVE COVERAGE AREA - One unit of the ultrasonic pest reject pest repeller is effective for an area UP to 1200sq.ft., which suit for house, warehouse, office, hotel, supermarket, hospital, restaurant, garage, etc. Recommend install one device for each room in your home, and you can add more units for better results If you have a serious pest infestation or large storage areas. 100% SATISFACTION GUARANTEE & MONEY BACK - We want to help you keep pest away from your home so our professional team has done many experiments. The typical results can take 3-4 weeks depending on the severity of the pest infestation. If you havent see the results after 4 weeks or have any other questions, please feel free to contact us. We will provide you with satisfying solution and offer a 100% money back guarantee.