Varia UT 800 Smart HeadlightWhether you're riding on the streets or the trail, you won't have to quit when the sun does thanks to the Garmin Varia UT 800 Headlight. High intensity cycling headlight for urban and trail use Works independently or pairs with compatible Edge cycling computers to automatically turn lights on or off, control brightness and more Edge may adjust the light based on factors such as: current lighting conditions, sunrise sunset information or speed Wherever