The Pest Rejector uses the most advanced ultrasonic technology to safely rid your environment of pests, safely. It uses  between 22KHz  and 65KHz ultrasonic frequencies to drive away household pests with no disadvantages to your health or safety. Unlike traditional pest control methods, it is 100% non-toxic.  Pest Rejector is effective across 800 – 1200 square feet (indoor use). Within 3 to 4 weeks, you will start to see the effects of the ultrasonic pest repeller as pests gradually begin to disappear. Healthy alternative to traditional pest control. No more hassles with pesticide sprays or mouse traps. Clean and easy Pest Control solution.