No more dangerous chemicals, inhumane poisons or messy traps. No more worrying about the safety ofkids and pets! This non-toxic Riddex® pest repeller emits ultrasonic signals that drive out rodents, roaches and other bugs. Just plug it in...and clear your home of stubborn pests, even ones hidden in ceilings, walls and floors. Cruelty-free. UL listed. Comes with built-in outlet so there's no lost plug space. Each, 2 3/4"W x 2 3/4"H x 1""D.