Features: Compact size equipment stores in car for emergent roadside tire change and repair. 3T maximum capacity, 12.5cm to 36cm lifting range and 17 to 42cm lifting range . Push button controller with long enough line, plugs into car 12 volt power outlet. Comes with controller, crank handle, impact wrench, screwdriver, fuses, a pair of gloves, etc for much convenience. Packaged in plastic storage case for easy transportation and storage. Specifications: Material: Metal, Plastic Working voltage: 12V Maximum Capacity: 3 Ton Lifting range: Approx. 12-35cm / 4.72'' x 13.77'' Jack size: Approx. 39.5 x 16cm / 15.6'' x 6.3'' Impact wrench length: Approx. 8.66'' Screwdriver length: Approx. 19.5cm / 7.68'' Small socket size: 17mm 19mm Big socket size: 21mm 23mm Package Weight: Approx. 8.58kg Package Included: 1 x Car Electric Jack with Controller 1 x Crank Handle 1 x Impact Wrench 1 x Battery Wire with Clamps 1 x Power Cable 3 x Fuses 1 x Screwdriver 2 x Socket Adapters 1 x Car Jack Head (Lifting range: 12.5-36cm) 1 x SUV Jack Head (Lifting range : 17-42cm) 1 x Pair of Gloves Note: 1. This product must be powered by automobile batteries. If other products are used, it will affect the use of the product. 2. When tightening the screw with a wrench, please stop it when you hear the sound of 4 times. At this time, the torque of the wrench has reached 480N.M. Otherwise, the internal parts will be damaged.