CatEye Sport OptiCube Headlight Includes 3 white LEDs and OptiCube lens technology for a wider, 20 lumen beam with excellent visibility Features 2 light modes - constant or flashing Includes FlexTight H-34N bracket for versatile and secure mounting Approximately 80 hours run time on constant mode Approximately 320 hours run time on flashing mode Battery: 2, AA Battery Alkaline, 1.5(V), 1.8(Wh), 24g, Included Item Specifications Battery AA Lumens Front 20 Recharge Type Not Rechargable Weight 94