Your Lights Need To Be Smarter, Not BrighterWorks independently and seamlessly integrates with compatible Edge® cycling computers¹As rider’s speed increases, the headlight automatically projects further ahead or closer as a rider’s speed decreases when paired with select Edge computersAs light conditions change, the smart Varia headlights and rear light automatically get brighter or dimmer, when paired with a light-sensing Edge 1000Adjustments, including on/off, can be made manually with the use of an included remoteWith 2 rear lights you can indicate impending right or left turnsHeadlight OnlyVaria headlight (HL 500)Universal out-front mountmicroUSB™ cableManuals