3 modes: super bright (240Lm)， normal (80Lm)， blinkingWith telescopic head to adjust the focusAdjust the length of the torch to zoom in and out Length: 11.5cm (zoom out)， 10.5cm (zoom in)Diameter: 3.5cmWorking voltage: 3.6V - 4.2VBody material: aluminum alloyWeight: approx. 110gPowered by 3 AAA batteries (not included) Package included 1 X LED torch1 x bicycle mount