High Efficiency Mouse RepellerThis high scanning frequency ultrasonic mosquito repellent can use ultrasonic waves, not only to repel mosquitoes, but also to repel all kinds of insects: cockroaches, ants, moths , mouse, etc. Large coverage area It can be placed in your living room, bedroom, kitchen, bathroom, etc. Easy to use Just plug in the ultrasonic mosquito directly into the power outlet, if the light is on, it means the repellent is working. There is also a smart screen that can change the operating frequency according to different needs. Safe and Quiet: Environmentally friendly mosquito repellent, non-toxic and odorless, harmless to insects. children and pets, the ultrasonic frequency emitted is inaudible to people and pets, suitable for home and office. After-sales Service: Generally, the ideal effect can be achieved after 3-4 weeks using the ultrasonic insect repellent.