Mighty Mule Gate Opening Sensor FM138

Direct burial gate opening sensor (also referred to as a probe, vehicle sensor or wand). Wires directly to the gate opener control box and senses mass metal in motion. This unit is recommended for use on the inside of the property for free exit by automobile without having to push a button. It comes with a 50 Ft. cable that should be trenched and placed next to your drive and buried no more than 12 In. deep and no closer than 30 Ft. from the gate. It will detect vehicles (cars, trucks, ATVs, motorcycles, etc.) as they cross over the buried sensor with its 12 Ft. magnetic field and automatically open the gate as you exit.