Brookstone Brookstone Ultrasonic Pest Repeller & Air Purifier

High frequency, ultrasonic waves effectively drive away mice, rats,spiders, roaches, mosquitoes, rodents, bedbugs, moths, ants, etc.• Non-toxic, harmless; no chemical reagent• Eco-friendly–no poisons, chemicals or traps• Produces negative ions (02-) cleans and purifies the air• Help eliminate smoke, dust pollutants and pet dander• No filters to replace, no refills needed• Helps circulate air flow• Three operating fan modes• Plugs into any wall outlet ready to use• Effective range up to 1950 square feet