Features & Functions:
1. Cranking for power generation, no external batteries are needed,
2. High luminous (3 LEDs for lighting)
3. Can be charged by sun light or room light
4. Unique design, low noise but high efficiency and long lifespan
5. The soft protection frame can protect the solar cell from damaging
Size and Weight:
Size: 123*45*40mm
Weight: 113G