Feature:1. Wide range of applications, can be used in 12V cars, boats, motorcycles, snowmobiles, tractors, etc.2. It is used to charge 12V car batteries (displacement does not exceed 2.0L), and can also be used for emergency charging of other 12V batteries.3. Built‑in blocking diode to prevent reverse discharge, maintain and extend battery life.4. Even on cloudy days, it can be charged in all daylight conditions to provide you with emergency power.5. Unique design, high‑quality wiring clamp, prevent short circuit, safer and more reliable to use.Specification:Item Type: Solar PanelMaterial: Monocrystalline SiliconWeight: Approx. 310g/10.9ozProduct Size: Approx. 18.6 x 21.6cm/7.3 x 8.5inPower: 5WWorking Voltage: 12VShort Circuit Current (Isc): 0.30AWorking Current (Iop): 0.28AOutput Tolerance: ±3%Temperature Range: -40℃- 80℃ Package List:1 x Solar Charging Panel1 x Wiring Clamp1 x Charger1 x English InstructionNote:1. Put it on the workbench in front of the dashboard of the car. This method does not have a strong ability to absorb sunlight.2. If the two elastic parts on the back of the product are installed on the sun visor of a car, the ability to absorb sunlight will be very good.3. It is best to fix the suction cup on the windshield, and do not affect the safety of the sun easily or in other ways.4. Without storage function.5. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.6. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.7. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.