XUEMEI Specification: Color: black+red Input Voltage: 12V Strong alligator clip with EC5 plug connector (for most car jump starters) Purpose of the car jump starter: 1. Connections Connect the red battery clip of the jumper cable to the vehicle's positive (+) battery and the black to the negative. 2. Plug the jumper cable into the jumper starter socket. 3. Start the vehicle. NOTE: - The red clip connects to the positive (+) battery terminal and the black clip connects to the negative (-) battery terminal. - Remove the clamps within 30 seconds of starting the vehicle. - Do not connect and/or connect two clips together, this may be dangerous - Keep this device away from children. What's Included: 1 Jump Starter Cable