Ultrasonic Rodent Repeller - Pack of 1, 2, 4

These Ultrasonic Solar-Powered Rodent Repellers work by emitting a pulse into the ground that wards away burrowing rodents such as mice, moles, voles, gophers, snakes, and more from the area.  -Works for 400 hours after fully charged -Safe and humane way to keep pests away. No chemicals or poisons needed which makes this product safe for children and pets. -7500 square foot of coverage -Can be used in all types of weather