LEZYNE Strip Pro Ai Alert 400+ Rear Black Bike Light (1-LED-37R-V304)

Advanced taillight with "Ai Alert" brake-sensing technology; Intelligently detects deceleration and changes output mode alerting others you're slowing down; Max 400 lumens or 80-hour runtime in Femto mode; 7 combined solid and flash output modes including Highly disruptive Day Flash mode; Lightweight and durable co-molded design; Wide Angle Optics provide 270 deg of visibility; Aero and round seat post-compatible; Includes versatile silicone rubber mounting strap; USB-C charging (cable not included); Rigorously tested to IPX7 Waterproofing standards