Powerful Car Battery Booster: The battery jump starter is a high-performance smart battery booster with a peak current of up to 1200A, which can easily cope with the zero-voltage start of all gasoline vehicles under 12V/5L displacement and diesel vehicles under 12V/3L displacement. The smart clamps include 12 safety protections for reliable and risk-free use. You can start your vehicle in seconds even in an environment of -20℃~50℃. 12 Safety Protections: The battery jump starter has 12 battery protections, including high/low voltage protection, reverse connection protection, overcurrent protection, short circuit protection, and start timeout protection. The product shell is made of advanced flame-retardant material to provide additional protection for your safety. Equipped with a smart power clip, the correct connection indicator light is green and the incorrect connection indicator light is red, making it easy to use even for novices. 4 Modes Car Air Compressor: The car battery