The light automatically detects brake events and intelligently changes output mode to Active Alert - a rapid 250-lumen flashbrake lightmode; signaling deceleration, effectively communicating your actions to traffic and fellow cyclists, enhancing rider visibility and safety.*Ai Alert lights come pre-programmed and do not collect rider data.The Saddle Ai Alert 250 Rear is a premium, highly visible saddle-mounted rear bike light combined with advanced Ai Alert technology. Equipped with 10 super-bright LEDs providing a beam pattern optimal for light dispersion in even the most challenging conditions.The fully CNC-machined aluminum construction with wide angle optics for 270° of visibility, offers 7 combined solid and flash output modes- from the eye-catching max 250 lumens emitted in both Active Alert and Day Flash modes to the impressive 60 hours of runtime in FEMTO mode. Rigorously tested to IPX7 Waterproofing standards to ensure functionality in the toughest weather conditions. The