The Hyperion Portable Hydraulic Jack is perfect for any spare tire changes. This compact, low profile 10.5 x 5 x 6" automotive jack fits in a trunk and has a bright flashlight built in. This jack have a maximum lifting weight of 3 tons (6,000 pounds) and a lifting height range of 6 to 17.5 inches for cars, vans, trucks and SUVs. The auto jack plugs into your vehicles 12V cigarette lighter power outlet for easy operation and has a long 12ft power cord so you can place it by the front or rear tires. Press the hydraulic jack switch up or down to lift or lower your vehicle and return it to the center position when the desired height is reached or to turn off the jack ram once down. It has a safety release valve when the electric powered car jack is raised and power is lost, it will stay at that current height without falling; use the safety valve to manually descend the jack ram.