The item is high efficiency miniature solar cell, can easily be arranged for larger load applications including higher voltage and loads. Miniature compact size with solid attractive casing. The power charger allows you to charge the external battery anywhere at any time. Use this solar panel to convenient appliance with energy from the sun. Features - Color: Black. - Material: Epoxy resin. - Size: Approx. 16.5 * 13.5 * 2cm/ 6.49 * 5.31 * 0.79 inch(L * W * H). - Operating Voltage: 6V. - Power: 3.5W. - Work: 580-600mA. - Output: USB 2.0. - Net Weight: about 100G. - Small solar panel for science projects - Power small motors or other loads - High-efficiency encapsulated solar panel. - High conversion rate, high efficiency output. - Remarkable effect of dim light. - Mining height is broken light transmittance tempered glass of . - Unique technology makes the beautiful strong resistance to wind component, the installation is convenient. - Unique technology to prevent the accumulation of water in frame and deformation. - Applications: suitable for digital products charge, MP3 MP4 Phone Tablet. - Pls note that this device can not store electricity, but can only carry your mobile phones in the sun. And this item must be under bright light, otherwise the tension is too small. And many smartphones have battery protection can not carry it - Phone is not included in the package </ Package list: 1 * 6V 3.5W 580-600MA Solar Panel Sockets Battery Charger High Efficiency MP4 Tablet