The Mier DA-700-611 Wireless Drive-Alert Vehicle Detection System Control Panel with DA-611TO-50 Sensor/Transmitter precisely detects vehicles entering designated zones using up to three sensors deployed in separate areas. Signals from these sensors transmit to a control panel located up to 1,000 feet away, alerting you indoors of incoming vehicles. An optional booster antenna extends the detection range significantly, up to three-quarters of a mile, enhancing monitoring capabilities. Ideal for ensuring you never miss a visitor, this system combines convenience with reliable performance. Purchase now to secure your home or business effortlessly.