This device is supplied with mounting and wiring hardware to connect to the car’s battery. There are two cables. The red cable should be clamped to the positive electrode and the black cable be clamped to the cathode. The unit automatically switch off while the car is running and then automatically switch on emit ultrasonic wave once the car off.Due to containing vibration controller that monitor this.

This item has low power consumption. The sounds are hardly perceptible to the human ear and keep the marten rodents away from the vehicle and rooms. It protects cables, wires and other rubber parts from rodent damage.

Technical data:

Power supply:Car storage battery

Working current:28mAh,in standby 20 μAh

Frequency:12-45KHZ

Display:LED indication

Advantage:No chemical,easy to use and install