Specification: Item Type: Solar Panel Material: Monocrystalline Silicon Weight: Approx. 310g/10.9oz Product Size: Approx. 18.6 x 21.6cm/7.3 x 8.5in Power: 5W Working Voltage: 12V Short Circuit Current (Isc): 0.30A Working Current (Iop): 0.28A Output Tolerance: ±3% Temperature Range: -40- 80 Package List: 1 x Solar Charging Panel 1 x Wiring Clamp 1 x Charger 1 x English Instruction Note: 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 02 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.