The package contains only two repellents【Upgraded Ultrasonic Repeller】 Using the latest intelligent dual-wave frequency conversion technology, it emits ultrasonic waves of different frequencies to stimulate the nervous system of insects and mice, making them feel uncomfortable and gradually run away. . Including mice, spiders, cockroaches, flies, mosquitoes, insects, ants and more.【Easy to use】 Simply plug the ultrasonic repellent into the outlet, it will work automatically, make sure it is perpendicular to the ground. Press and hold the button for two seconds after turning on the machine, and it will start working immediately after the green light turns on. You can use our ultrasonic insect repellent in any indoor space, office, business, restaurant, warehouse, etc.【Safe for children and pets】 The ultrasonic insect repellent and rodents physically repels mice and pests from your home, without killing them. An eco-friendly alternative to dangerous chemicals, poisons, traps and aerosols without the bad odors and dead bodies. Non-toxic and radiation-free, completely safe for your family and pets.【Wide Coverage】 The ultrasonic pest repellent has a wide coverage area, up to 800-1200 square feet. Widely used in home, warehouse, office, kitchen, living room, garage, etc. Since ultrasound cannot penetrate walls and solid objects, it is recommended to have one in every room. For large storage areas, we recommend installing 2 or more devices.【SATISFACTORY QUALITY GUARANTEE】 Pest control is an ongoing process and usually takes 3-4 weeks to see results. Under the influence of long-term ultrasound, parasites and mice also appear listless, appetiteless, non-reproductive and aggressive. Leave yourself and your pets alone.