Smart technology: This reé pulsive to Ultrasound for mice emits different frequencies of ultrasonic waves (25kHz to 65kHz) to irritate the nervous system of insects and rats, making them uncomfortable and gradually flee. Intermittent changes in ultrasound frequency prevent them from developing immunity. and adaptability. Large coverage: Each repellent with Ultrasound can cover up to 100%. 120 square meters. It is recommended to install this hammer vertically at a distance of 20 to 80 cm from the ground. For best results, equip every room with a pest repellent. Safe and ecological mosquito repellent control: Non-toxic, no chemicals, no radiation, less energy consumption, no noise and 100% safe for use humans and pets, you will say goodbye to traps. mouse, mosquito, mouse pad, pest poison, and insect sprays, etc., No battery needed will save you a lot of money, give you a 100% safe and eco-friendly home. span> Super quiet and effective mosquito repellent: The ultrasonic repellent works with ultrasonic waves at high frequency. low frequency, so it allows you to fight parasites completely silently and cannot disturb you and your pets. Please note that it requires a process. Depending on the environment, response time varies, usually from 2 to 10 minutes. 6 weeks, we are sincerely here. to help you Keep pests away. Easy to clean. To use: Simply plug the repellent into the outlet and let it work. The repellent instantly repels pests without killing them. No batteries are needed, saving you a lot of replacement.