Feature: Can be used as a charger for cars, trucks, caravans, boats, motorcycles, RVs, or any 12V lead acid battery. Waterproof design allows outdoor placement. Built-in diodes in the alligator clips help prevent reverse charging. Can be installed in a vehicle for continuous daytime charging. Includes 2 alligator clips and charging cable for use with various devices such as emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, and boats. Specification: Color: Black Panel: Monocrystalline silicon Maximum Power (Pmax): 22W Maximum Power Voltage (Vmp): 18V Maximum Power Current (Imp): 4A Output: USB DC 5V & DC 18V (Control Unit adjusts voltage to 14.4V output) Waterproof: IP65 Size: 7.25 inches width and 8.5 inches length Package includes: 1 x Solar Panel 1 x Crocodile Clip 1 x Car Plug 2 x Carabiners Tips: 1. Avoid scratching the solar panel surface with sharp objects. 2. When using solar energy to charge, place the panel face-up in direct sunlight for optimal performance. 3. Do not expose the charger to rain to prevent short circuits. The front of the panel is waterproof, but avoid water exposure at the USB and DC ports.