[High Stability] AUTOOL electric-hydraulic jacks are made by heavy-duty thick steel plate with integral anti-oxidation coating body which is rust-proof and wear-resistant. The large contact surface design enhances the stability, and the reinforced solid screw prevents the electric car jack from tearing or twisting. An essential tool for outdoor emergencies. [Easy Operating] You can plug it directly with a power outlet or battery on the car(12V DC), press the controller button long enough, and the car/SUV will rise, which can boost the car/SUV in less than a minute due to the large load capacity of 6 tons. Easy to operate. [Universal and Safety] Vehicles under 6 tons can be upgraded easily, and the lifting height ranges from 15 cm to 43 cm. Built-in safety device prevents the jack from falling even out of power and the jack will stop working automatically when reaching the height limit. Product Specifications: Material: metal, plastic Working voltage: 12V DC Maximum capacity: 6 tons Lifting range: approx. 15-43cm / 5.9''x 17'' Jack size: approx. 30 x 17 cm / 11.8 inches x 6.7 inches Package weight: approx. 5.69 kg Package Included: 1x car electric jack with controller 1x instruction manual 1x valve handle 1x power cord with clip 1x cigarette lighter power cord