NOTE-THE ATTACHED LINK IS THE INSTRUCTION OF THIS ITEM<br />https://www.youtube.com/watch?v=YS7CPd8wAQc <br />The magnesium metal sheet (3 sheets included) can operate the car for about 5-7 hours continuously.<br />If you want to park the vehicle simply take out the fuel cell module and rinse with tap water and dry.<br />No batteries required just add salt water.<br />Eco-friendly and energy saving.<br />Only two drops of salt water can make it run 200 meters.<br />Easy to take out the FC module when not in use.<br />Detailed assembly and operation guide.