The Azur Sirius 50 Lumens Taillight offers cyclists enhanced safety and convenience with its 50-lumen output and four lighting modes for optimal road visibility. It features a rechargeable lithium-polymer battery with a quick 2-3 hour charge time and a water-resistant design for all-weather use. The automatic wake-up function activates the light upon detecting vibrations, ensuring readiness for any ride. Additionally, the tool-free bracket allows for easy installation, making it a must-have accessory for cyclists. SKU: ALSIRIUSTL.