Ultra-Fab's engineers developed the Phoenix with ball screw technology. Instead of raising and lowering the jack with Acme threaded rods, the Phoenix incorporates a strong threaded steel rod with ball bearings. The Phoenix is rated for 4,000 pounds lifting capacity and features a stronger motor, an electronic control panel, a built in light for night operation, and an emergency crank access port with a crank socket included. In addition, it does not have external switches that might break off. Includes remote control No external switches to break off Intelligent memory settings remember hitch position New strong threaded steel rod with ball bearings Strong 12V motor Travels 10" in 18 seconds 18" of travel Durable powder coated finish Emergency crank socket included 5.5" extension with 6" diameter quick-drop footpad Strong 2.25" outer tube