Electric Plug In Ultrasonic Repeller Indoor for Rodent Mouse Mice

- Dual ultrasonic & electromagnetic: Newest 2021 ultrasonic pest repeller. Lightsmax most powerful sonic! Adopt latest ultrasonic and electromagnetic technology to drive pests away, fixed frequency and variable frequency makes it more powerful and effective. Combined with most advanced and best technologies. - Human & pet safe, eco-friendly, save money: No poison & chemicals, no traps & eliminate, cause no harm for human body, 100% safe for kids and pets. Just plug in the pest repeller. No cockroaches, rats, and mouse. After 2-3 weeks of use, insects gone. The power consumption of each device is only about 1kwh/month! It's cheaper and a longer-lasting way to repel pest and mice. Environmental friendly and economical solution. - Large area coverage: Effective for an area up to 900-1290 square feet, such as living room, kitchen, apartment office, warehouse, workshop, garage, parking lot and areas where pests problems are serious.