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2). ELECTRO-MAGNETIC MODE:
The second deterrent mode is that when you plug the Ultrasonic Mouse Repeller into your mains socket it becomes part of the wiring loop throughout your home. It uses the wiring to broadcast an intermittent electro-magnetc signal that again attacks the nervous system of the pest in your walls causing them to leave. This signal also can be felt by the Pest outwards from the wiring up to 6 feet. So this acts as a deterrent to pests coming into your home from the outside as they can feel these signals coming from your outside walls.
Most models are mains powered but we also have a couple of battery powered ultrasonic mouse repellers for the those places where you might not have a 240v socket, such as a loft, garage, shed, caravan or even a car (yes, mice do get into cars and eat through the wiring!).