Neatmaster Ultrasonic Pest Repeller Electronic Plug in Indoor Pest Repellent, Pest Control for Home, Office, Warehouse, Hotel

Fine tuned the range of ultrasonic frequencies

Three function modes, green, blue and red, green and blue is inaudible, red is audible

It can cover an area of 80 to 120 square meters

Put one in one room as ultrasonic wave can not penetrate through walls and solid objects

Working with low frequency ultrasonic wave

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