Never use it on sloped ground,be sure to use it on a flat road\r\n\r\nThe display picture shows the correct way to place the Electric Car jack\r\n\r\nROGTZ electric Car Jack DC 12v 3 Ton is worth having for emergency roadside tire change and repair. The reinforced solid screw rod and high-strength steel body make it strong and durable. Car jack scissor and flat tooth design, larger contact surface make it stable, two raised heads are suitable for city car or SUV. And it’s also anti-rust and wear resistant because of the whole anti-oxidation painting body. Battery clips with 12V DC could be used to connect battery if car cigarette lighter is inoperative. Car Jack Box Includes1. Electric car jack x12. Battery clip x1 3. Cigarette lighter power line x1 4. Fuse x3(15A) 5. Hand crank x1 SpecificationsControl Method: Wire Voltage: DC 12V or Vehicle battery power supply Rated Current: 10AOutput Power: 120W OC Protection: 15ARated Load Capacity: 3T Lifting Range: 14-37cm/19-42cm Attention: 1. Absolutely do not go over the stated limits and restrictions. This product is only applicable to small and medium vehicles (within 3T), the lifting of larger ones beyond 3 tons is not supported. The manufacturer is not responsible for incorrect use. 2. Electric car jack must be used on flat ground. 3. To ensure sufficient electricity, it is better to start the vehicle before the actual operation. 4. When the electric car jack is working, please do not get too close to the car and use a finger to touch it to avoid any personal injury. 5. In the lifting process of the electric car jack, if it suddenly stops working, you can insert the hand crank into the hole of the gear case cover backside and rotate it in an anticlockwise direction to decline. (Prohibit the use of hand crank to lift up). 6. Please pay attention to the battery plus