Properties It is waterproof and can be placed outdoors. Built-in diodes are included in the alligator clip to prevent reverse charging. You can install this item in your car and charge it during the day. Provides 2 alligator clips and charging cable for all kinds of devices, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc. Widely used in security cameras, laptops, car batteries, cars, buses, ships, airplanes, satellites, space stations, outdoor agriculture, plants, tourism, solar street lights, etc. Specifications: Maximum power (Pmax): 20W Maximum line voltage (Vmp): 18V Maximum current (Imp): 1.2A Output: USB 5V & amp; DC 18V Plate: Monocrystalline silicon Size: about 210 * 175 * 2.5mm / 8.27 * 6.89 * 0.1in Open circuit voltage: 12 V DC & amp; USB 5.2V Load voltage: 12 V DC & amp; USB 5.0V Instructions: First, the solar panel surface of the solar panel faces the sun, and the rear USB output surface lights up red to indicate that the power output is normal.Plug the USB 2.0 cable into the USB output port and the USB output standard DC 5.0V.Connect the mated DC alligator clip, and the alligator clip will output DC 12V (14V no load). Note: The positive and negative alligator clips should not be connected or touched during use, as this may cause the line to heat or burn momentarily. Scope of delivery: 1 * solar panel 1 * Alligator Clip 1 * car charger 2x mountaineering buckles 4 * suction cup