Ultrasonic Car Repellent, Electronic Rat and Marten Deterrent with LED Strobe Lights for Car, Barn, Kitchen

Specifications: Material: PC + ABS Color: Black Frequency Range: 12KHz-24KHz Usage Range: 40㎡ Rated Operating Voltage: DC12V Size: 8.5x8.1x4.1cm Weight: 78g Package Includes: 1 x Ultrasonic Repellent 1 x Cable 1 x User Manual Operating Mode: Power-On Self-Test: When the initial power-up is activated, the product enters self-inspection mode. First, the red light flashes three times, then the white light flashes three times, and then the alarm sounds. Installation Method: Open the car's engine compartment cover, fix the product in a suitable position inside the cabin, then connect the end of the red wire with the fuse to the positive terminal of the car battery and the black wire to the negative terminal. When the switch button is activated, the product enters mode self-test, then in working mode.