This high-powered bike light features three high output LEDs for up to 1600 lumens of output. It has seven modes and Lezyne’s Tri-Focus Optics optimizes light output — creating an ideal beam pattern for high speed. Machined aluminum construction features cooling fins and cutouts for side visibility. The Super Drive 1600XXL feature’s Lezyne’s new Smart Connect which connects to their own LED Ally App. The light is micro-USB rechargeable and it can run for up to a massive 148 hours on a full charge. A versatile strap secures it to all common handlebar sizes. Specs Max Lumens 1600 Weight 227g Max Runtime 148 hours in Femto mode Recharge Time 2A 4.5 hours 1A 9 hours