Operating voltage: 12VMaximum. Current: 15AMaximum. Capacity: 3 tons(6600 pounds)Lift range: 12-35cm / 4.72 "x 13.77"Jack size: approximately 39 x 16 cm /15.35 "x 6.3"The package includes:1 x Car electric jack with controller1 x crank1 x car jack (lifting range: 12-35cm)1 x SUV Jack head (lift range: 17-42cm)1 x Battery clip cable1 x Power cable3 x fuse1 x a pair of gloves★Maximum Load Capacity : BEETRO electric jacks have a maximum lifting weight of 3 tons (6600 pounds) and a lifting height range of 4.72 to 16.54 inches. Two removable raised heads are respectively designed for Sedan and SUV. It just takes about 2 minutes to reach maximum height. NOTES: Never used the jack on sloped ground. NEVER USE IT ON TRUCK OR OVER 3 TON VEHICLES. Start car engine before operation.★Two-Way Power Supply : It can be connected to 12V cigarette lighter power outlet or car battery, and equipped with a long 11.5 feet power cord so you can place it by the front or rear tire . With built-in LED light, can be used at night or in the dimmed light. Besides it’s totally water-proof so you can use it even on rainy day.★High Quality : Using heavy-duty steel construction which features to strong bearing capacity and distortion resistance. Large base and compact triangle design, make it stronger and more stable.Reinforced solid screw rod can prevent the jack from tearing and twisting. Simple operation, whether men or women can replace the tire with ease in any emergent case.★Safety Guarantee : Electric scissor jack will automatically stop working when it reaches the height limitation. The self-locking structure of the jack can prevent the car from falling suddenly and ensure the safety of the car and people. The internal circuit breaker of the jack can protect your car from overload.★Multi-function ToolBox : The red triangle on the surface of the box can be used as a warning road sign when repairing on the highway. Each part has own hole position, they will be precisely embedded in the box even in severe turbulence. Velcro stickers on the outside of the box prevent the toolbox from sliding inside the trunk of the car.