Feature: 1. The polysilicon solar charging board has high conversion efficiency, good output efficiency, low light efficiency and strong applicability. 2. Suitable for car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor breeding, planting, tourism, solar street lights. 3. Portable solar panel is very thin, durable, light weight, easy to carry, easy to install, easy to use, and prepare to use when placed in the sun. 4. High quality solar panel material protects against equipment failure due to environmental factors or manufacturing defects, very reliable. 5. Using EVA lamination integrated technology, long service life. It is widely used in automobiles, ships, motorcycles, household appliances, etc. How to Use: Put it in the sun and you can use it. Specification: Item Type: Solar Panel Material: Class A Polycrystalline Silicon Color: As shown in the picture Product Size: Approx. 287x172mm / 11.30x6.77in Weight: Approx. 158g / 5.6oz Working Voltage: 5V Power: 8W Working Current: 0-1600MA Output Port: USB Conversion Efficiency: 18.8 (%) USB Cable Length: Approx. 46cm / 18.1in Process: EVA laminated one Package List: 1 x Solar Panel Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding. 2. 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.