Ultrasonic Rat Repellent

Ultrasonic Rodent Repellers are electronic transmitters of high frequency sound well above the 20,000Hz frequency which is the upper limit of the hearing range of humans and common pets like cats, dogs, birds and fish and it is harmless to humans and other than pests. It is safer than traps and poisons, the Ultrasonic rodent repellers minimize human contact with disease-bearing rodents (no dead rodents to dispose of).
How does this Ultrasonic Rodent Repeller works?
An environmentally friendly way The Repeller Transducers emits the powerful variable sound waves within the hearing range of Rodents, The high intensity sound waves are painful to the pests, which creates unfriendly environment for the rodents, they will simply force them to leave and never return the area of the device installed. The Rodents usually leave the area being protected by Repellents. Most important is that they do not get killed. Sometimes they will leave the area immediately, in other cases it will take as long as two to three weeks. As compared to conventional methods, they are clean, safe.