Product Review

The system is mainly composed of solar panel, light source and battery.
In daytime, when there is sunshine, 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 (5 - 8V charger can be used for charging as well)
The charged bulb can be used as a mobile lighting lamp. 
Base Type: Other
Holder: Other
Type: Ball Bulbs
Total Emitters: 12
Luminous Flux: 130LM
CCT/Wavelength: 5500-6500K
Voltage (V): DC 5V
Lifespan: More than 5000hrs
Capacity of lithium battery: 850ma/3.7V; continuously effective lighting of fully charged bulb: 5h
Battery can be fully charged by the photovoltaic panel under a sufficiently sunlight condition.
Available Light Color: Natural White
Sheathing Material: Plastic
Certifications: FCC
Package weight: 0.179 kg
Product size (L x W x H): 12.00 x 6.80 x 6.80 cm / 4.72 x 2.68 x 2.68 inches
Note:
The solar panel Should be placed in sunny places, facing the direction of sunlight directly to receive more solar energy.
Package Contents:
2 x Chargeable Bulb
2 x 0.8w/5v Solar Panel with Connecting Line about 3.5m/11.5ft