Exposure Blaze Mk3 Rechargeable Rear Light. A compact rear light with a convenient design that comes with ReAKT technology and will keep you visible even in direct sunlight. ReAKT. Exposure’s Blaze Mk3 rear light comes with the ReAKT system which uses integrated sensors to automatically adapt the type of lighting being produced. For example, when the light meets a breaking force the light will flare up and then will automatically adjust to the surrounding ambient light DayBright. One of the other key advantages of the Blaze is that is comes with a DayBright beam which means the light will keep you visible even when travelling in bright, sunny conditions. This is especially useful when travelling in built up urban areas to ensure you stay visible to other road users In the Box. Blaze Mk3 rear lightSeatpost bracketUSB charging cableQuick start guideFeatures. Red XPE-R Cree LED80 lumens maximum light outputRechargeable lithium-ion batteryUp to 48 hours battery life4 hours full recharge timeIntegrated fuel gaugeReAKT technologyDayBright beamCable free designAnodised 6063 aluminium constructionIPX6 water resistanceWeighs 77gDimensions: 70 x 28mmBuy Exposure Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.