Brand: KnogModel: LED lightType: rear lightPower Source: BatteryAdditional Information:20 lumen light4 modes: normal light, normal blinking, strobe light, strobe blinking5x brighter than similar lightsintegrated clipwith reflector, strobe technologyLight Front:Type: 1 LEDEnergy Saving:Battery Size Individual: 2 x CR2032Bracket:Bracket Included: yesAssembly Tool-less: yes