Specification: Color: Black+RedMaterial: Metal+PUVStarting Current:300AOutput current :350AInput Voltage:12VStrong Alligator Clamp Clip with EC5 Plug Connector(Fit for most car jump portable starters) Usage of Car Jump Starter: 1. Connect the red battery clamp of jumper cable to the vehicles positive (+) battery and connect the black to the negative pole.2. Plug the cord of jumper cable into the jumper starters socket.3. Start the vehicle. Cautions: -Red clamp connect to the positive(+) battery terminal, black clamp connect to the negative(-) battery terminal.-Do remove the clamps in 30s after the vehicle started.-Do not connect and/or attach two clamps together, it may cause danger -Keep this appliance away from children. Package Included: 1x Jump Starter Cable 1. There is no limited stock to fulfill the orders on a daily basis. 2. For USA/CA /RU the shipping is quickly. 3. Priority delivery,fast delivery in 48 hours. 4. No invoice or receip or promotional materials included.