1. Lifting weight: 5 (T) 2. Minimum height: 120 (mm) 3. Maximum height: 520 (mm) 4. Adjustable height: 350 5. The whole system adopts full-coverage anti-oxidation paint treatment technology, which has strong rust and corrosion resistance. 6. Select high-quality steel, using advanced integrated casting technology to cast high-strength and durable jacks. The bottom quadrilateral design helps the jacks to be more stable. 7. With 12V DC motor motor 75W low power, energy saving. 8. The anti-slip cross groove design effectively stabilizes the jacked up car. 9. Each power cord connector is equipped with a waterproof cover that will not leak during rainy days. 10. Adopt high-precision grinding technology to create high-quality screw shaft with solid steel shaft at the joint, which makes rotation faster and more durable. 11. Two ways to take power: 12V cigarette lighter takes electricity, and the battery is charged by the battery clip. 12. Night lighting function: The front view light of the hand crank is safe and reliable.