This solar light relies on solar energy, which is clean, endless and environmentally friendly. In the daytime, when there is sunshine, the solar panel can convert solar energy into solar energy. electric and store it in the battery. The charged bulb can be used as a mobile lighting lamp. Photovoltaic panel is fixed in the roof or in a place with sufficient sunlight, the wire is introduced into a room, and the plug is plugged into the charging port (a 5-8V charger can also be used for charging). Energy saving, long life expectancy, low power consumption, rechargeable. The system is mainly composed of solar panels, light sources and batteries. Source Power source: Solar panel, home electricity charge. Lithium battery capacity: 850mah / 3.7V; continuously efficient bulb illumination at full charge: 5h; Bulb use time: 2-3 hours; How charge with solar panel: Put the solar panel outside under the sun and at the same time keep the bulb connection with the cord for 5-8 hours, the charging indicator is red, fully charged always red. Note: The solar light can be used in any weather, but it is not waterproof. Ideal for home lighting, camping, cooking, working, reading, emergencies and power outages etc.