With double the output of the Rapid X the Rapid X2 somehow manages to keep the slim form now synonymous with the ‘XÂ’ range. By beefing up the LED & battery Cateye have squeezed a massive 100 lumen output from this diminutive light.• COB LED technology• Li-Polymer battery• Upto 100 lumen output• 360 degree visibility• Complex circuitry allows safe charge & discharge• USB (Universal Serial Bus) recharge (2 hrs)• O-Ring attachment• Battery Auto Save (auto flash)• 6 Modes: Constant / Flashing / Rapid / Vibration / High / Low• Runtime: 1Â-30 hrs depending on mode• Dimensions: 74.4 x 30.5 x 32.9• Weight: 30.5g