KK.BOL Solar Lamp Portable LED Light Bulb Solar Panel Powered Rechargeable Solar Led Lights Lamp for Home Light Indoor Outdoor Emergency Light Hiking Tent Camping Night Work Light Light Sensor 480LM This solar lamp relies on solar energy, which is clean, endless and environment-friendly, the solar panel can convert the solar energy to electric energy and store it in the battery. The photovoltaic panel is fixed in the roof or a place with sufficient sunlight, the wire is introduced into a room, and the plug is plugged in the port for charging ( a 5-8V charger can be used for charging as well) The system is mainly composed of solar panel, light source and lithium battery.Energy Saving, Long Life Expectancy, Low Power Consumption, Rechargeable. High quality LED will give you a bright night; Solar powered, energy saving and environmentally friendly; Long service time, up to 50000H Note: The solar lamp can be used in any weather, but it is not waterproof.