Packs A Huge Punch For Its Size Guaranteed to be seen up & down towns & cities this year, Moons all-new Merak Front & Rear Light Set packs a big punch for its small size. With a combined weight of just 36g & a combined output of 115 lumens, the Merak Front & Rear Light Set supplies you with up to a huge 100 hours of runtime. Also offering Moons popular Dayflash Mode & Mode Memory function, the Merak Front & Rear Light Set takes a number of features that Moons high end lights possess, delivered to you at just a fraction of the price. Combined Output Of Up To 115 Lumens Up To 100 Hours Of Runtime Compact & Lightweight