Wireless Driveway Alarm 12 ft.

Wireless Driveway Alarm Vehicle Sensor Operation 400 ft Range Between Transmitter Receiver Adjustable Sensitivity From 3-12 ft Radius. Rejects Line Noise at 50 Hz 60 Hz Long Battery Life (1-3 yr) Due to Low Power Consumption. Sensor Detects Vehicle-in-Motion Similar Operation to a Loop System without Having to Cut Asphalt Color Black Length 16 3/4 in For Use With 8DFT2 8RLJ4 9JH02 9V219 Includes (3) Mounting Posts Receiver Sensor Transformer Transmitter Module