SinceretaliUltrasonic Pest Repeller: Adopt the latest ultrasonic chip technology, the pest repeller transmitted through the air by special elements to stimulate the mosquito's sensory system and nervous system. Then it can be effective in pest control and keep pests away from you. Say goodbye to mouse traps, mouse pads, mouse poison, glue traps, cockroach motels, rat poison, rat trapsSafe for Humans and Pets: The electronic pest repeller is safe for pregnant women and babies. Ultrasonic sound is inaudible to humans and pets, it can replace toxins and dangerous chemicals. No toxins, no chemicals, no poisons, no radiation and no need to clean up dead pests, no battery needed and low electricity costsWide Coverage Area: This ultrasonic pest repellent is effective in an indoor area up to 100m2. To achieve excellent results, a space repellent is recommended. This is because the ultrasonic wave cannot penetrate walls and solid objects. For large storage areas, we recommend installing 2 or more repellents. They are not effective for other rooms if you install repellents in one roomEasy to Use: Simply plug the electronic pest repeller into the outlets, the first switch will turn off the light. The second time to turn on the light. Make sure to install it vertically 7-31 inches from the ground. And make sure there are no obstacles like curtains or closet covers in front of the repeller. Please note that this requires a process, usually 2-6 weeksGoodbye to Pests: The pest repellent keeps all kinds of insects away from your home, such as spiders, mice, mosquitoes, rats, cockroaches, ants, snakes, etc. Without worrying about noise pollution, you and your pets will not be disturbed. Ideal for indoor use, e.g. Such as home, restaurant, hotel, hospital, office building, warehouse, etc.