Features: Jump Starter with Air Compressor, 5.1-inch Large Intelligent Display Screen, Portable Power Bank for USB Devices, 4250A Car Starter, 400 Lumen LED Flashlight, Reverse Polarity and Spark-Proof Protection, Intelligent Digital Tire Inflator, Safety Protection: Over-charge, Over-current, Short-circuit, Reverse Polarity, Low-temp, High-temp, Over-voltage, Over-load, 4250A 12V Portable Lithium Car Battery Jump