Cygolite Velocity Pro. Features: When extreme lighting is needed the Velocity Pro series delivers in a small package Easy 2 button functionality where one button controls scrolling through light modes and the other adjust brightness on the go Features 8 stage battery life gauge Durable and waterproof aluminium body 9 lighting modes: Boost, high, medium, low, SteadyPulse, triple flash, day flash, zoom, and walking Includes 25-35mm handlebar mount and USB-C charging cable Assembled in the USA Specs: Model:Velocity Pro 1600 Lumens:1600 Run Time:up to 100 hrs Color:black Weight:194g