The Lezyne LED Remote Button is a remote switch that controls your headlight (and KTV Smart Rear when used with Mega 1800 or Super 1600) without moving your hands from your grips.Lezyne LED Remote Button FeaturesPower on/off and toggle through output modes.Lightweight, super-compact design.Simple O-ring attachment quickly mounts to nearly all handlebars.Rapidly adjust lumen output on the fly no matter the terrain.Easier and safer than having to ride with one hand.Cable Length: 300mm.Weight: 13g.Works with select Lezyne LED lights:Micro Pro 650 and 800.Lite 700, 800 and 1000.Macro 1100 and 1300.Super 1500 and 1600.Mega 1800.