Ultrasonic Mouse, Rat, and Rodent Repellent - Battery Operated - For Home, Basement, and Garden - Chemical-Free, 1 Piece

Effective rodent protection: Mice and rats are disturbed by the ultrasonic waves of the transmitter and leave their homes. For us humans, these frequencies are inaudible.Simple application: Insert the batteries (4 x C, not included), open, and place in the desired position. The effective area of each unit is approximately 40 square meters. NO ADDICTIVE EFFECT: Change the frequency to reduce habituation, and the defense and expulsion functions are not interrupted.Environmentally friendly: This mouse trap uses no bait or poison and can be used as a replacement for, or in combination with, a mouse trap, a bait box, or live animal traps.IMPROVED RANGE: The ultrasound can be sent up to 40 square meters without penetrating walls—one shot per room is recommended. This rodent repellent is ideal for indoor or outdoor use.