Usage:Bicycle 

Material:Aluminum alloy

Light Source:CREE XM-L T6 chipset 1200 lumens

Lighting:white 

Color:Black

Battery:8.4v 4*18650 Li-battery 4400Mah.

Runtime:4-8 hours/Life time:5w-10w hours

Waterproof

4 levels light:Strong-Weak-Flash-SOS

Fixed in front of bike with elastic deck easily 

Head straps included as headlamp use

Charger included

It is suitable for coal mines,tunnel projects,night-powercommunication,railway constructions,public security,fire-fighting,steel,oilfield,hunting,camping,fishingmrunners,mountainclimbers etc outdoor using.