Detailed Product DescriptionFeatures:
1) Environmental friendly and never needs batteries, 1
LED / 3 LEDs, patented product, and double copper coil wires
2) 1 minute's cranking gives you up to 30 minutes of 1 LED lighting
3) 1 minute's cranking gives you up to 15 minutes of 3 LED lighting
4) Luminosity: 20,000MCD (1 LED) / 40,000MCD (3 LEDs)
5) Body construction: ABS
6) Product dimensions: 4.8cm x 22cm
7) Net weight: 330g