EMX Carsense 101 Outdoor Buried Driveway Vehicle Gate Motion Detector (EMX Carsense Probe 50ft) The CarSense 101 motion detector is pictured here with a sensing probe. Each item sold separately. Housed in small relay type housing, easy to integrate with control boards, gate and door operators All controls and indicators are mounted on the front panel of the unit: easy access and operation Multiple power supply options: Can be ordered in 12V AC/DC, 24V AC or DC, 120V AC, 240V AC. Sensing probe is buried in the ground so it is not noticed by a potential intruder or vandals.