Smart Technology: This ultrasonic mouse repellent emits ultrasonic waves of different frequencies to stimulate the nervous systems of insects and mice, making them feel uncomfortable and gradually run away. Intermittent changes in ultrasound frequencies prevent them from developing immunity and adaptation. Great Coverage: For best results, equip every room with insect repellent. Safe and Eco-Friendly Mosquito Repellent Control: Non-toxic, Chemical-Free, Radiation-Free, Low Power Consumption, No Noise, 100% Safe for Humans and Pets, You’ll Say Goodbye to Mouse Traps, Mosquitoes, Mouse Pads, Pest Poisons, and Insecticides and more, no batteries will save you a lot of money and give you a 100% safe and environmentally friendly home. Super Quiet and Effective Mosquito Repellent: Ultrasonic mosquito repellent uses low frequency ultrasonic waves, so it allows you to control pests completely silently without disturbing you and your pets. Note that it requires a process. Response time will