3 modes depending on your needs:
eco (75 lm) - For longer battery life
High power (210 lm) - To see further
Flash (210 lm) - To signal your location
Internal Li-Po internal battery that can be recharged by dynamo and USB.
A standard USB output allows you to use the torch as a backup charger for your phone (25% to 50% depending on the model) or for your electronic accessories.
Capacity of the battery: 1150 mAh
Narrow beam to optimise power to see far away with low consumption.
Standard LED lighting: lighting performance decreases gradually as the batteries discharge in order to extend battery life.
Lamp case in plastic protected by shock-absorbent rubber around the lens