Material: Aluminum alloy
Battery: 18650 battery(not includes) & AAA battery(includes)
Can used wih 18650 battery and AAA battery.
Three modes,30000 Highlight.
Applies to bicycle diameter about 2-3.5cm.
Aluminum alloy material,waterproof.
Three colors to choose.
Recommended use for outdoor,camping,fishing and so on.
1 x Bicycle headlight
1 x Holder
3 x AAA batteries
1 x 18650 battery conversion barrel