Features: 1.Battery booster cable is a great accessory to have in cars in case of emergencies. 2.Full set (one positive cable with 2 clamps and one negative cable with 2 clamps). 3.Color-coded and insulated clamp, effectively minimize the risk of accidental shorting. 4.With dual construction and extra strong-grip pure copper teeth for firmly connection. 5.3m(9.8ft) or 4m(13.1ft) flexible long cable for easy and convenient connect with two cars. Specification: Features:_x000D_ _x000D_ Battery booster cable is a great accessory to have in cars in case of emergencies. _x000D_ Full set (one positive cable with 2 clamps and one negative cable with 2 clamps). _x000D_ Color-coded and insulated clamp, effectively minimize the risk of accidental shorting. _x000D_ With dual construction and extra strong-grip pure copper teeth for firmly connection. _x000D_ 3m(9.8ft) or 4m(13.1ft) flexible long cable for easy and convenient connect with two cars. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Material: Rubber + Brass Wire_x000D_ Color: Black + Red_x000D_ Voltage: 12V_x000D_ Length/Current: 4m/2000A, 3m/1000A(Optional)_x000D_ Package Weight: Approx. 1269-1608g/44.8-56.7oz_x000D_ _x000D_ Operating Procedures:_x000D_ 1. Connect a red clip head (+) of the cable to the terminal of the positive pole of the dead battery._x000D_ 2. Connect the other red clip head (+) of the cable to the terminal of the positive pole of the good battery._x000D_ 3. Connect a black clip head (-) of the cable to the negative pole of the battery._x000D_ 4. Connect the other black clip head of the cable to the engine casing or the car body._x000D_ 5. When starting, please complete the operation in an instant, there must be 10 seconds of cooling time between the two starts._x000D_ 6. The procedure for unloading the cable follows the reverse steps of installation. _x000D_ _x000D_ Package list:_x000D_ 1 * Pair of Battery Booster Cable_x000D_ _x000D_ Notes: _x000D_ 1. Operate in strict accordance with the operating procedures._x000D_ 2. Check the marked voltage of the two batteries to ensure that the voltages of the two batteries are the same._x000D_ 3. Turn off all the loads on the car, hang the gears, pull the hand brakes, and start the engine. It is forbidden to smoke near the vehicle._x000D_ 4. If the car battery is frozen, it is forbidden to start, otherwise it may cause an explosion._x000D_ 5. Please ensure that the battery wiring polarity is correct._x000D_ 6. The car cannot be in contact with other vehicles during operation._x000D_ 7. The battery will produce explosive gas! Wear a protective eye shield when installing the cable._x000D_ 8. If the acid in the battery is accidentally leaked and splashed on your skin or eyes, rinse immediately with plenty of water and go to see a doctor. PackageList: