Automatic Cool Down To prevent over-cranking and overheating clamps will auto shutdown in overuse situations.;Auto-Shutoff Once vehicle is started Clamps will automatically shut down.;For the pro looking to have clamps that hold up in situations where there is high amperage, short;No Spark Safety There is no spark when hooking clamps to the vehicle, even if the clamps touch together,

• Calvan Alstart Mini Intelligent Booster Smart 551

Calvan Alstart Mini Intelligent Booster Smart 551CALVAN ALSTART