Feature: 1. High‑efficiency polycrystalline silicon solar panel, thin and light design, lightweight and portable design, convenient to carry it wherever you go. 2. It has strong applicability and can be used in automobiles, ships, motorcycles, household appliances, etc. 3. Suitable for car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor breeding, planting, tourism, solar street lights. 4. The conversion efficiency is high, the output efficiency is good, the light efficiency is low, the stability is high, and the durability is good. 5. With unique semi‑flexible design, and can be appropriately bent to use a wider range of applications, easy to install and use. Specification: Item Type: Solar Panel Material: Class A Polycrystalline Silicon Color: As shown in the picture Product Size: Approx. 159x94mm / 6.26x3.70in Weight: Approx. 65g / 2.3oz Working Voltage: 5V Power: 2W Working Current: 0-400MA Output Port: USB Conversion Efficiency: 18.8 (%) USB Cable Length: Approx. 45cm / 17.7in 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. How to use: It can be used in the sun.