Ultrasonic insect repellent, 4-pack. Ultrasonic waves can repel rats, mosquitoes, flies, parasites, spiders, and cockroaches. Safe and non-toxic.

Smart Technology: This ultrasonic rodent repeller emits ultrasonic waves at different frequencies (25 kHz-65 kHz) to stimulate the nervous system of insects and mice, causing them discomfort and prompting them to gradually flee. The intermittent changes in ultrasonic frequency prevent them from developing immunity and adaptation.

Wide Coverage: Each ultrasonic repeller can cover an area of up to 120 square meters. It is recommended to install the repeller vertically, 20 to 80 cm off the ground.

For best results, it is recommended to have one repeller in each room.

Safe and Environmentally Friendly Insect Control: Non-toxic, chemical-free, radiation-free, low power consumption, and quiet operation, 100% safe for people and pets. Say goodbye to rodent traps, mosquitoes, rodent pads, harmful poisons, insecticides, etc.

No batteries required, saving you significant expenses and creating a 100% safe and environmentally friendly home environment. Ultra-quiet and highly efficient mosquito repellent: This ultrasonic mosquito repellent uses low-frequency ultrasound to silently repel mosquitoes without disturbing yourself or your pets. Please note that this process takes some time. Response time varies depending on the environment and is typically 2 to 6 weeks. We are dedicated to helping you repel mosquitoes. Easy to use: Simply plug the mosquito repellent into a power outlet to operate. The repellent repels mosquitoes instantly without killing them. No batteries required, saving you significant costs on battery replacements.