GET RID OF YOUR WORRIES: always bothered by the constant presence of mice and mosquitoes in your home? Our ultrasonic rodent repeller will take away this annoyance and is safe and harmless. SAFE FOR BOTH HUMANS AND PETSWhereas ordinary chemical rodent repellents can be harmful to the health of humans and pets, this repeller is based on the difference in the range of ultrasonic waves heard by humans, rodents and bugs and is safe for both humans and pets as there is no radiation. Direct plug-in design - ultrasonic principle, frequency conversion continuous, flame retardant material, environmental protection, no radiation, rodent and insect repellent, four frequency adjustments. FAST RESULTS: With this ultrasonic repeller you will go through four stages: after 3-5 days you will find mice scurrying because they can't stand the harsh sound. after 1-2 weeks mice and bugs start to decrease. after 2-3 weeks, with continued use, mice and mosquitoes are basically zero. after 3-4 weeks you will no longer worry about mice and mosquitoes and you will have a clean and healthy environment. REPELS BOTH RODENTS AND INSECTS: The ultrasonic repeller not only repels rodents but also all kinds of insects such as mosquitoes, cockroaches, ants, bedbugs, moths, spiders, centipedes etc. AVAILABLE IN A VARIETY OF LOCATIONS: the ultrasonic rodent repeller covers a wide area and can be used in homes, rooms, living rooms, kitchens, workshops, and warehouses. Material: ABS, in-line design [Performance] Ultrasonic principle, frequency conversion continuous, flame retardant material, environmental protection and no radiation, repelling mice and insects, four frequency adjustments