Ultrasonic Technology: This ultrasonic pest repeller emits high-frequency sound waves that effectively repel mosquitoes, rats, and roaches.
Easy to Use: just plug the electronic insect-proof ultrasonic repeller into the power socket, then it starts to work.? It takes up little space, with low power consumption.
Human and Pets Safe: No chemicals, non-toxic, less power consumption, safe to humans and pets. It adopts a frequency sweep type high-frequency ultrasonic circuit, produces 20 KHZ ~ 55 of sweep frequency ultrasonic, which is harmless to the human body, for it cannot be heard by people.
*Please note: Ultrasonic waves cannot travel through walls. We recommend that one electronic pest repeller installed for each room.