Includes both Whitelite andERedlite Race.Whitelite RaceCompact and powerful front lightEprovides ample light for commuting.Lamp 2 Super Bright White LEDOsBattery CR2032 x2 (included)Burn Time: (approx) 70 hrs / 140 hrsSimple rubber strap mountingEsystem.Blinking or constant functions7x3.8x3.6cmE35.4gRedlite RaceCompact and powerful tail lightEprovides excellent visibility in anyEsituation. Mounts to post or seatstay.Lamp: 2 Super Bright Red LEDOsBattery: CR2032 x2 (included)Burn Time: (approx) 70 hrs / 100 hrsBlinking or constant functions.7x3.6x3.8cmE37.6g