The Exposure Lights RedEye MK3 is a high-visibility rear light powered via a USB-C connection to your handlebar light. Delivering 75 lumens with a 29° diffused optic and 240° halo, it ensures visibility from over 1km. Durable, waterproof, and versatile, it features multiple mounting options including a quick-release seatpost bracket and M5 hard-fixing hardware.