Features: -Solar energy and efficient solar charger circuit. Environmental protection and energy inexhaustible.-Sunpower Monocrystalline solar cells and Epoxy resin surface seal.-Slim & Light design with 6mm thickness.-Portable and frame design fit for outdoor and indoor usage.-Standard USB output fit for mobile phone and other portable digital devices.-High-Efficiency Sunpower Monocrystalline Cell, up to 24%.-Constructed by high quality material, eco-friendly, waterproof, durable and sensitive.-Can be used for charging cellphones, mobile power bank, etc.-Portable, foldable and lightweight, easy for carrying.-Offers continuous power supply even on overcast day.-Suitable for outdoor activities, emergency, and outdoor working. Caution:This product cannot contact with strong corrosive objects.To prevent hard objects surface scratching during operation.The product cannot bear the bending force during transportation and assembly. Specification:Power: 30W (Max)   Solar Output: 6V Voltage regulator tube output: 5V Output: USB 5V Unfolded Size: 14.57in/37cm*7.68in/19.5cmFolded Size: 7.68in/19.5cm*2.87in/7.3cmColor: Black/GreenConversion Efficiency: 24%Material-Panel: PET Laminated Sunpower Monocrystalline Cells Package:1x 30W Solar Panel Kit2x Hooks1x 10in1 USB Cable