Easy to use Car Jump Starter If your car is encrusted, you dont have to call a tow vehicle or wait for help.When used with Arteck jumper cables, your car battery will start in seconds.Start your car up to 20 times with a single charge, and built in heavy duty cables and clamps. Portable battery charger is your go-to travel companion by Arteck.It can also charge devices such as smartphones, tablets, cameras, GPS units, MP3 players, wireless headphones, handheld game consoles and more. Portable LED flashlight for outdoor use,strong light LED flashlight has 3 modes,it can catch the attention of the surroundings in the dark,SOS signal flashing can glow for 120 hours when fully charged, ready for emergencies. How to use the vehicle start battery1.Make sure the remaining battery is more than 50%. 2. Connect the jumper cable to the barrel socket of your device, connect the jumper cable clamp to the car empty battery. Note: Make sure to connect the black clamp to the negative terminal (-) of the battery and connect the red clamp to the positive terminal (+).Do not attach the red clamp and black clamps or connect both clamps to one metal part. 3. Next, turn the crank to start the engine. Note: If the engine is not soon at the first time, please remove the jumper cable from the car battery and leave it at least 10 seconds interval before reconnecting the cable to the battery. 4. Once the engine starts successfully, remove the jumper cable clamp instantly. Keep out of reach of children.