2000-lumen 5 Modes Dual Head Bicycle light With 2 Cree XM-L U2 LEDs Red Material: Aluminum alloy Diameter of light:2.5cm/0.97"(Approx) Package Content:1 x Red CREE XM-L T6 LED Light unit ( Can be used as Headlamp or Bicycle Light );1 x Adjustable headband;1 x Charger (US plug,100v-240v);1 x Battery Bag