Professional, Efficient & Extra Safe Protection
Designed for professionals the JS3000 features with refined heavy-duty copper clamps and 10 advanced intelligent protection technologies: overload protection, spark proof protection, over current protection, low temperature protection, high temperature protection, reverse charge protection, reverse polarity protection, over discharge protection, short circuit protection, and over voltage protection. The heavy-duty copper clamps deliver a solid connection. Anyone can use it easily and safely whether you are a new driver, expert driver, or a trained mechanic.