FeaturesIt can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery.It is waterproof and can be placed outdoors.There are built-in diodes in the alligator clip to help prevent reverse charging.You can install this item in your car and keep charging during the day.Provides 2 alligator clips and charging cable for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc.SpecificationColor: BlackPanel: Monocrystalline siliconMaximum Power (Pmax): 22WMaximum Power Voltage (Vmp): 18VMaximum Power Current (Imp): 4AOutput: USB DC 5V & DC 18V(Control Unit adjust the voltage to 14.4V output)Waterproof: IP65Size: 7.25 inch width and 8.5 inch lengthTips:Please allow 1-3cm error of measurement.Photo color might be a little different from the actual product due to color display of different monitors. Product Includes: 1 X Solar Panel1 X Crocodile Clip1 X Car Plugs2 X Carabiners