CNC machined AL6061-T6 alloy body with a CREE R4 250 lumen LED CNC machined AL6061-T6 alloy body with a CREE R4 250 lumen LED 3.7V 900mAh USB rechargeable Li-ion battery powers the light for up to 12 hours 4 light modes including high, medium, low, and flash Includes USB charging cable and a handlebar mount with rubber strap IP65 certified water resistance