1.The pest repelling device that use both ultrasonic and Electromagnetic to repel the pest,so it is more effective
2.This unit will not affect household pets, computers, or appliances (except hamsters, gerbils, rabbits or other rodent pets).
3.There are no irritating pesticides or fumes
4.Extra outlet on the side allows you to use without losing plug space,more convenient
5.Polarized plug To Reduce the Risk of Electric Shock
6.It has a blue night light which can be turned off