Features: SUFFICIENT ENERGY----High conversion rate, high efficiency output, excellent weak light effect. PORTABLE----Mini solar panel, stylish size, simple to be held, can be taken to outdoor activity easily. HIGH QUALITY----Premium polysilicon, unique technology to make the components beautiful and strong, anti-wind and snow, increase the service life of solar panel. Wide Use----3.6V-5V batteries for a wide ranging of uses, for example ：small fans, small motors, LED lights, mobile power supplies, mobile , etc. EDUCATION---- Solar panel are devices that absorb sunlight and convert solar radiation directly or indirectly into electricity through photoelectric or photochemical effects. Specifications: Material: Class A Polycrystalline Silicon Solar Panel, Epoxy Board Power: 1W Current Operation: 0-180mA Short Circuit Current: 182mA Operating Voltage: 5.5V Short Circuit Voltage: 6.5V Output: USB Product Size: 95X95mm / 3.74X3.74 in Package Includes: 1 Pcs Charger. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!