Jump Starter,Suposun 600A Peak 18000mAh Portable Car Jump Starter Battery Booster Phone Power Bank with LCD Screen,SOS LED Flashlight,4 USB Charging Port and Safety Hammer&Compass - Yellow&Black 1.Suposun Car Jump Starter,it supports vehicles with 12V voltage or more.to start your car,firstly you should connect the power bank with the battery holder and then connect the negative and positive connectors of the holder with your car battery. 2.It has 4 USB Outlet can Charge more phone and devices at the same time, 3 different kinds of lighting modes - you can use the flashlight and SOS lights in the dark in case of emergency. 3.There are a variety of adapters that be used to charge various mobile phones,for Sony PSP,MP3/MP4 players.PDAs,notebooks,car refrigerators and other compatible appliances. 4.Charging for mobile phones and laptops,starting cars,adjustable LED lights (torch,strobe lights and SOS lights). Multi-functional emergency kit that contains a car power bank. 5.Blue Light LCD Screen can show the used of battery,if you lose you way home the compass can tell you which direction,Variety of chargers and jump lead that can give your car and your products the extra energy they need. With a zipped case that also contains the adapter tips and power lead,this product will fit in your car to be used in case of emergency.