Features:1.Reusable solar generator, solar charging, environmental protection and energy saving, you can use it in anywhere when there is adequate sunshine.2.Equipped with USB charging cable, you can charge your electronic products easily with the built-in large capacity battery, you can charge for mobile phones, MP3, MP4, digital cameras and other electronic products.3.With 3 bright white LED bulbs, ideal to bring you lightness with low power consumption, more durable to use,constant current IC driver, good stability, hight brightness.4.Ideals for indoor lighting, outdoor lighting, power failure, camping, home lighting, areas without electricity.5.Power storage function,helps you to storage the electricty after solar charging. Specifications:- Solar Panel Power: 4W/6V- Panel Size: 22.5*18.8cm- USB Output Voltage: DC5V- Controller Size: 13*10cm- Light Bulb Size: 6.1*8cm- AC Adapter Voltage: AC220V- Battery: 3.7V 5000mAH Li-on Battery- Adapter Output: DC7.5V, 450-500mAh- Light Source: 3*1W Bulbs Package Included:1x Solar Panel1x Portable Controller1x 4 In 1 Charging Cable3x LED Bulbs with Cable1x User Manual Instruction&Tips:1. Before initial using, please recharge this kit for 6-8hours2. Keep safe distance from dust, gas, fire or water while using.3. Recharge this system every 4 months even you never use it.