- Powerfull ultrasonic repeller inaudible to humans
- At least 37 square metres coverage
- Safe to use near children cats & dogs
- no poison or traps
- Easy to use just plug in & switch on
- Push button to test function Sonic Mouse & Rat Repeller produces over 100 decibels of ultrasound at constantly changing frequencies. The device operates at frequencies that are too high for human cats & dogs to hear but are within the hearing range of mice & rats. Each unit protects an area of at least 37 square metres from rodent infestation. By pressing the test button at the front of the unit drops the frequency of the output to check the device is operational.