Bontrager Transmitr Wireless Microremote In Black

Communicates via Ant+ wireless technology Features: compatible with all bontrager rt front and rear bike lights can be paired with up to four lights simultaneously wirelessly controls light functions, including on/off and mode selection and signals battery status easily mounts to handlebars, and can be used as a bar-end plug (bar-end mount sold separately);double-press powers on all lights single press changes modes flashing led when powered on indicates low battery in one or more connected lights includes cr1632 battery, handlebar mount and quick-start manual