The Moon Merak Bar End LED Mounts are a fantastic set of pocket-sized commuter, safety lights that will keep you seen on the road even during the day with added Daybright technology Mounting SystemBoth lights come with a unique magnetic mounting system for ridiculously quick fitting. Moon Merak Bar End LED Mounts Features Front:1 x 5050 LED100 lumens output 100 hours runtime 360 degree total beam angle Rear:1 x Red 5050LED15 lumens output 360 degree total beam angle Day flash mode