Features1The combination of headlights and taillights is safer to ride. The headlights are used to illuminate the environment ahead and the taillights are used for warning. 2The headlight has a small body and a large energy capacity of up to 2000mAH. 3Use highbrightness LED lamp chips, with a brightness of 300lm and a long range. 4Toolfree installation of humanized fasteners can be installed and used in a few simple steps. 5Ride unimpeded, regardless of whether it is heavy rain or damp, normal riding, safe riding is guaranteed.SpecificationItem Type: BicycleHeadlightTailLightMaterial: ABSColor: As Pictures Shown Weight: Approx. 196g/6.9ozFunction specifications: LED lamp chip,Headlight 300lm, 2000mAh lithium polymer battery,Taillight 80lm, 300mAh lithium polymer batteryHeadlight Size: approx. 104x40.6x34.2mm/4.1x1.6x1.3inTaillight Size: approx. 66x27x25mm/2.6x1.1x1inPackage List1 x Headlight1 x Tail Light1 x USB Cable2 xRubber Ring2 x Support1 x Strap2 x Gasket2 x Manual