varia ut 800 smart headlight urban edition with dual out-front mount

high-intensity cycling headlight for urban and trail use that s visible in daylight from more than 1 mile (1.6 km) away automatically adjusts to ambient light conditions, speed and ride profile to extend battery life when paired with compatible edge cycling computers, the ut800 adjusts brightness to give the lumens you need for up to 4 hours, so you can ride with confidence. whether you`re riding on the streets or the trail, you won`t have to quit when the sun does. when your speed varies, varia ut800 adjusts too..syi