[Urban Night Riding Light] Equipped with 2 high-brightness LEDs providing up to 500 lumens of solid mode, FR500 bike light offers a stable source for road cycling, daily commuting, and city rides; It supports lighting while charging, meeting your riding needs from dawn to night

[Daytime Flashing for Visibility] Features 6 lighting modes with 3 flashing options for daytime safety, reaching up to 500 lumens with a wide 270-degree viewing angle; The led bicycle light keeps you visible to vehicles and pedestrians from the front and sides, with high lumen penetration helping you get noticed under any sunlight

[Cycling Computer Ready] Compatible with Garmin, Wahoo, and Bryton bike computers; Compatible with Garmin out of the box; Swap the included parts (see manual) for Wahoo compatibility, except for the original Wahoo ELEMNT BOLT aero out front mount; Use with QTM04 (sold separately) for Bryton compatibility; NOTE: Out front mount is NOT included

[Auto On and Off Mode] Once activated, this mode takes care of turning your light on and off for you; No more worrying about leaving it on after a ride or forgetting to switch it on before you start; It uses almost no additional power

[Efficient Heat Dissipation] Built with an aluminum alloy bottom and 6 air guide grooves, the bike headlight keeps its working temperature lower than ordinary bike lights during extended use, helping prevent performance drop and overheating

[Sleek and Lightweight Design] Weighing only 101g/ 3.56oz, this front light features a streamlined shape similar to most cycling computers; It fits comfortably in your hand for easy mounting and rotation and keeps your setup clean when stacked with cycle computer; A lanyard is included for extra security

[2Y Support] Rated IPX6 waterproof; As long as the rubber plug on the charging port is sealed, unexpected heavy rain will not stop your ride; ATTENTION: tether included, please tie up your light and bike computer for extra security (usually your computer also comes with a tether )