Here is the text in a neutral tone: Ultrasonic Pest Repeller: For a non-chemical way to keep pests out of your home, we recommend the Ultrasonic Pest Repellers. These devices emit a consistent high frequency noise that is too high for humans to hear, designed to disrupt, irritate, and deter common household pests like roaches, spiders, mosquitoes, ants, and rodents.

How it operates: These devices produce powerful ultrasonic waves using chemical-free and non-toxic elements, making them appropriate for indoor applications and ensuring a secure means to deter unwanted pests.

Wide Coverage: With coverage of up to 115 m2, this pest repellent provides comprehensive protection. It's recommended to place one indoor rodent repellent per room to ensure continuous ultrasonic waves can penetrate walls and solid structures.

Easy to use: Just plug the insect repellent into an outlet, and it will begin emitting ultrasound automatically. While it may take a few days for the ultrasonic rat repellent designed for indoor use to showcase its effectiveness, the results will endure over time.

Safe Meets Effective: Ultrasonic sound is inaudible to humans and household pets, making it a safe alternative to harmful poisons. The device can be used in both indoor and outdoor areas, including garages, basements, attics, utility rooms, balconies, etc.