Safe And Reliable:Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive private car battery with our protection design.Aside from normal charging ports, this portable jump starter is also equipped with a smart USB output that provides the fastest charging speed for your portable electronic devices. Multi-Function:It's a car jump starter, portable power bank, LED flashlight, and 12-volt portable power. Recharge smartphones, tablets, and other USB devices. The LED flashlight with three light modes, including normal lighting, emergency strobe and SOS. Plus, a 12-volt, outport port for powering any 12VDC devices, like tire inflators, inverters and more. Warning:In summer and other hot weather, please avoid store the jump starter inside the car or other high temperature place. The storage temperature shoudn’t exceed 100°F(37°C) and operating temperature shouldn’t exceed-13°F-140°F(-25°C-60°C), otherwise, the battery will swell. WHAT YOU GET: The Jump Starter, Heavy-Duty Battery Clamps, Micro USB 2 in 1 Charging Cables, DC Converter, Portable Microfiber Storage Toolbox, User Guide.