The Optex 18-Foot Range Microwave & Ultrasonic Vehicle Presence Sensor detects the presence of moving or stationary vehicles all while having the ability to ignore human movement. Unlike other vehicle sensor units, it installs above the ground, eliminating the hassles associated with installing a ground loop. You won't have to worry about cutting concrete or having to stop traffic through your driveway during installation.
The Optex 18-Foot Range Microwave & Ultrasonic Vehicle Presence Sensor features adjustable microwave and ultrasonic detection patterns. Microwave detection patterns are adjustable from 6.56 to 18.04 feet, and ultrasonic detection patterns are adjustable from 1.9 to 3.28 feet. It also features 5 selectable menu settings options to ignore human movement.