The Robotow is a lightweight, portable, towbar—one person can easily move a Mooney. Extra Long model features a longer arm for easier moving of aircraft with long noses. The aircraft moves when the Robotow's friction drum is held against the nose wheel. Heavy duty motor has been proven in commercial and military applications. A switch reverses direction instantly and a trigger on the pistol-grip handle controls the speed, ensuring positive control. Take it with you too—weighs less than 30 pounds. Robotow comes with a unit, adapter, battery and battery charger (115 v). Measures 48"l x 12"w. Attaches like any other towbar. Made in the USA.