Model4 typerear bike light power sourcebattery battery typeaaa total batteries2 emitter total emitters5 applicationcyclingbike body colorblack body materialplastic maximum brightness lumens1000 runtime hr1000 distance m100 range distance m51 99 light bulb typelaser led batteries includedno brightness lumenslower than 400 lumens mode4 waterproof levelipx 4 featureswaterproof net weightkg007