XP3 Hornet V-120, generates 120 dB electronic, variable animal repellant sound using 12V power from 12V vehicle battery. (Hard wires). Helps reduce deer accidents. On/Off switch to turn on and shut off sound. Black, wiring harness with 4 foot pigtail and 3.5 mm plug with weather tight connector. In-line fuse in 10 foot wiring harness. Current consumption: 10 milli-amps maximum at 12VDC. Wrap wiring harness around and through door jam: no risk of short circuit. Install vehicle front at forward angle of 45 degrees to road surface: height 8 inches minimum to 3 feet maximum from road. Must have unobstructed view of road surface. Effective deterrent range is 800 feet. Sound pressure level of 120 decibels with operating base frequency of 4.8 to 0.5 KHZ and a WV ultrasonic wave of 18,000 to 21,000 Hz. Wave carrying length is 1700 feet. . Operating voltage range is 8 to 16V DC with current consumption of 10 milli-amps maximum at 12VDC.