2X Ultrasonic Automatic Animal / Mice / Rat Repellent, 12V Automatic Pest Control Rodent Defense Vehicle Vehicle Protection

Effective Rodent Protection - Mice and rats feel disturbed by the ultrasonic waves of the transmitter and leave your neighborhood. For us humans, these frequencies are inaudible. < / P> Smart On / Off - Can automatically detect the car running status and stop running automatically after the car starts. Automatically starts working 5 minutes after the car stops. < / P> Material - It is made of sturdy ABS material and flame retardant material which is precision cast to ensure normal work in the engine compartment. < / P> Installation is simple and convenient. Connect the two connectors of the power cable to the positive and negative poles of the car battery to work. < / P> If the battery voltage is less than 9.2V, the product will indicate that the voltage is too low to protect the battery. When the power returns, the product enters standby mode. < / P> The marten fang generates sound frequency of 12-45KHz, which can effectively stimulate the hearing and nervous system of the mouse, the