CREE XML U2 2300LM LED bike light

Specification :LED : 2 x CREE XML U2 with a lifespan of 100,000 hoursOutput power : 10WBrightness : 2300 lumensWaterproof : up to IPX65Material :Aircraft grade aluminumSurface :Premium type III hard anodized anti-abrasive finishCircuit : highly efficient Intelligent circuit board design ,liner outputRuntime : High Brightness :2.5 hours Midium Brightness : 4 hours Low Brightness : 150 hoursMode setting : High/Medium/Low High Brightness : 2300 lumensMidium Brightness :800