Fangrui Product Details Fangrui Product Details Usage Of Car Jump :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 Socket. 3. Start The Vehicle. Starting Current:300a Output Current :350a Input Voltage:12v Strong Alligator Clamp Clip With Ec5 Plug Connector (fit For Most Car Jump Portable ) 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. Colour:photo Color Material:plastic + Metal Size:overall Length: 320mm Package Contents: 1 X Jump Cable Only The Above Package Content, Other Products Are Not Included. Note: Light And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.