NiteRider NiteLink handlebar remote allows rider to power on/off Lumina MAX and Omega EVO lights while keeping your hands on the grips.Connect/pair with other NiteLink compatible lightsPower ON/OFF button, light mode toggle switch, and turn signal indicator buttonsReplaceable CR2032 3V battery. Typical battery life 2-3 YearsFits up to 31.8mm handlebarsWater / Dust Resistant IP64 Rated NiteRider NiteLink Remote Light Part UPC: 702699051119