LED:CREE*T6 LED Colour: Black Material: Aluminum alloy Voltage: ... seal, it can be used normally in rainstorm3. 6061-T6 Aluminum alloy housing, anodized anti-abrasive finish4. 4 ... protection, Low battery warningSpecifications1.[Light source] 1 x CREE XM-L T62.[Luminous flux] 1200 Lumens3.[LED lifespan] 100,000 ... Green Red 100%--30% Less then 30% CREE XM-L T6 Aluminum Alloy Strong Bicycle Light/Headlight