Garmin Varia UT800 Smart Headlight

High-intensity cycling headlight for urban and trail use that’s visible in daylight from more than 1 mile (1.6 km) away
Projects a steady blast of 800 lumens for up to 1.5 hours
Automatically adjusts to ambient light conditions, speed and ride profile¹ to extend battery life
Works independently or pairs with compatible Edge® cycling computers to automatically turn lights on or off, control brightness and more
Offers 5 light modes, including high, medium, low, night flash and day flash