The Topeak Combo Race Light Set features the Whitelite™ Race and the RedLite™ Race and they're both full of new features that every rider will find essential if they're riding at night.WhiteLite™ RaceThe WhiteLite Race features two front-facing super-bright White LEDs that provide excellent visibility, both for you so you can see where you're going and for other road users so they can see you in low light conditions. It also has a rubber strap to allow tool-free, easy mounting and you can put it where you want. A clever feature of the WhiteLite™ Race is that you turn it on and off and switch between the constant or blinking mode by pushing the lens in.FeaturesLamp: 2 Super Bright, White LED’sBattery: CR2032 x 2 (included)Control: 2 Modes, Constant/BlinkingBurn Time: 70-140 Hours (Approx)Light Output: 25 cdLamp Housing: Injection Moulded PlasticMount: Handlebar Mount (ø 25 ... More info