Ultrasonic Pest Repeller, Electronic Rat Deterrent, Pest Control Mice and Rodent Rejection with LED Strobe Lights for Car, Barn, Kitchen

Product description Operation mode: Power-on self-test: When the initial power-on is turned on, 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 car battery and the black wire to the negative pole. When the switch button is turned on, the product enters the self-test mode, then the working mode. Sold by Briday store