Lezyne KTV Pro+ Ai Alert Tail Light Smart visibility The Lezyne KTV Pro+ Ai Alert Tail Light is an advanced, intelligent tail light that uses machine learning to provide exceptional visibility. The KTV Pro+ Ai Alert uses machine learning to adapt to different riding conditions and to predict when a rider is braking, for adaptive lighting and increased safety-while working on a closed circuit and not collecting rider data. The light itself has a 150-lumen max output in Day Flash mode, with Wide Angle Optics providing 270 degrees of visibility. The light offers runtimes of up to 20 hours on Femto mode, providing the battery life riders need to tackle the longest rides. Features Ai Alert technology uses machine learning to predict when a rider is braking, and adapts to different riding conditions, for advanced visibility (Note:the Ai Alert system operates on a closed software and does not collect rider data)150-lumen max output in Day Flash Mode or a long, 20-hour runtime in Femto mode Wide Angle Optics for 270 degrees of visibility Compatible with standard and aero seatposts provides visibility on any bike IPX7 rated for a high level of waterproofness Specifications Battery Capacity400 m Ah Light Modes Economy (10 Lumens), Blast (50 Lumens), Pulse (50 Lumens), Day Flash (150 Lumens), Femto (5 Lumens)Runtime20 hours (Femto Mode) to 2 hours (Blast Mode)Weight50 grams Waterproof Rating IPX7 | Lezyne | Ktv Pro+ Ai Alert Tail Light Black