Features:
1) Environmental protection, never needs batteries, 1 LED / 3 LEDs, rainproof,
Lithium battery, wind up recharge, patented product, ergonomic design
2) 1 minute cranking provides more than 35 minutes of bright lighting for 1 LED
3) 1 minute cranking provides more than 15 minutes of bright lighting for 3 LEDs

Specifications:
1) Dimensions: 14.2 x 5.6 x 5.2cm
2) Net weight: 160g
3) Luminosity: 60,000MCD
4) Power: 2.5W
5) Material: ABS