AIGOO Ultrasonic Pest Repeller - for Rats, Mosquitoes, Ants and Cockroaches

EPA approved electronic insect repellent with ultrasonic control.   The ultrasonic pest repeller will protect your property from rodents, roaches, spiders, mosquitoes, bed bugs, ants, etc.Can replace harmful and hazardous chemicals, poisons, and traps. Environmentally friendly and odor-free The three function modes are green, blue, and red. Green and blue are inaudible. Red works best, but it‘s audible. Just plug it in and it works. Put one in one room as the ultrasonic waves can not penetrate through walls and solid objects.Because our products require 24 hours of uninterrupted work, it is recommended to replace them once a year.