Advanced 150 lumen taillight with Ai Alert brake-sensing technologyIntelligently detects deceleration and changes output mode alerting others youâre slowing down6 combined solid and flash output modes including Highly disruptive Day Flash modeIntegrated rechargeable USB stick for cable-free rechargingLightweight and durable co-molded designWide Angle Optics provide 270° of visibilityAero and round seat post-compatibleBlack6RearSilicone StrapUSB-C150UPC/EAN/GTIN: 4710582553783