Specifications: Material: PC+ABS Color: Black Frequency Range: 12KHz-24KHz Range of Use: 40㎡ Rated Working Voltage: DC12V Size: 8.5x8.1x4.1cm Weight: 78g Package includes: 1 x Air Repeller Ultrasonic 1 x cable 1x user manual Operation mode: Power-on self-test: When the initial power-on is activated, the product enters self-inspection. First, the red light flashes three times, then the white light flashes three times, then the alarm sounds. Installation method: Open the car engine compartment cover, fix the product in a suitable position inside the cabin, then connect the end of the red line with the fuse to the positive pole of the battery of the car and the black wire to the negative pole. When the switch button is turned on, the product enters the self-test mode and then the work mode. Technical description
