CatEye - HL-EL140 Headlight BE SEEN: The HL-EL140 alerts others of your presence, keeping you safe no matter when you ride. TWO MODES: Switch between constant and flashing light modes. SECURE AND GO: Spend less time setting up your gear and more time on the road. With our FlexTight Bracket, you can easily mount, adjust, and move your light by hand. GO THE DISTANCE: Your HL-EL140 headlight won't stop until you do, providing up to 200 hours of battery life. BRIGHTER AND SAFER: Our OptiCube lens technology maximizes brightness and visibility, keeping you safe in low-light conditions.