The Victor PestChaser Rodent Repellent with Extra Outlet effectively drives away rodents by emitting a highly irritating noise that can only be heard by rodents. This ultrasonic repellent is non-toxic and poison-free making it a humane option for your rodent control needs. The PestChaser is easy to use; all you have to do is plug it in and it will immediately start to deter rodents. Each plug-in repellent is equipped with a nightlight feature that emits a soft illumination which also lets you know the product is working. Plus, there is an extra outlet on the bottom so you never have to sacrifice plug space. You will have peace of mind knowing that you are repelling mice and rats as long as your PestChaser is plugged in! It’s that easy!