1) No batteries needed cranking for power generation 2) High current: recharging 1 minute providing 1.5 hours of lighting for 1 LED or 30 minutes for 3 LEDs 3) Cranking 3 minutes provides 2 - 8 minutes mobile phone speaking time 4) With bicycle mounted bracket can be used a bicycle torch 5) Ideal for: home use, vehicles, boats, camping, emergency kits 6) Energy saving and no pollution 7) Suitable for household, outdoor activities, tourism 8) 3 LEDs 9) Wind up recharge 10) Patented product 11) Ergonomic design 12) Dimensions: 15.5 x 6.2 x 9.2cm 13) Net weight: 187g 14) Luminosity: 60,000MCD 15) Power: 2.5W 16) Material: ABS