This ultrasonic pest repeller uses multi-frequency ultrasonic waves within a frequency range of 10kHz-65kHz to help create an uncomfortable environment for common indoor pests. As a pest repellent ultrasonic plug in, it supports daily pest control needs for mice, roaches, ants, spiders, mosquitoes, and more. It is a practical choice for customers looking for a mouse repellent, rodent repellent, or ultrasonic rodent repeller for indoor spaces.