Features: * brand new and high quality * Made of high quality material, durableand practical to use *The interface chip protection circuit is adopted to effectively monitor the working state of the power supply *Overcurrent automatic protection, the highest 500A current, to meet most of the market's emergency power and cars *It is mainly used for connecting the connection between the emergency power supply and the automobile, and the emergency battery can be started without electricity *Reverse -charge Protection - No reverse charging back to the unit after the vehicle started *Short-Circuit Protection - Prevent short-circuit occurring while two clamps are connected *Over-temperature Protection - Automatically stop working when the temperature is getting too high *Reverse Polarity Protection - No damage happened while the clamps are connected in wrong terminals *Over-discharge Protection - Effectively prevent over-discharge of the battery in the jump starter *Over-charge Protection - Effectively prevent over-charge of the battery in the jump starter *Intelligent Detection with LED Indicator to ensures total protection against reverse polarity, surges and short circuits Specification: *Condition : Brand New *Input Voltage: 12V *Starting Current: 500A *Operating temperature: -4C-60C *Strong Alligator Clamp with EC5 Plug Connector (Fit for most 12V car jump portable starters) Usage of Car Jump Starter: 1. Plug the cord of jumper cable into the jumper starter's socket 2. Connect the red battery clamp of jumper cable to the vehicle's positive (+) battery and connect the black to the negative pole 3. Start the vehicle when jumper cable indicator light turns green Package Contents: 1 x Smart Alligator Clamp For Car Jump Starter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.