EASY INSTALLATION DESIGN One-touch dismount button lets you slide the Taillight on and off the mount without removing the whole bracket. The silicone mount strap has four openings that tightly fit most handlebars and seat posts. UNIVERSAL FIT AND TOOL-FREE SETUP The rear light comes with a dedicated mount, so rubber bands are not lost. It attaches to virtually any bike frame, fork, seat post, handlebars, or helmet, and can be easily disassembled in seconds without tools. It can also hook onto a belt, running gear, reflective vest, backpack, dog collar or harness, or anywhere on your clothing. WEATHER RESISTANT PERFORMANCE Built to withstand sun, rain, and seasonal changes. Designed to support riding anytime and anywhere in all weather conditions. USE SCENARIOS - City or urban commuting: attach to the bike frame or helmet for enhanced visibility in traffic. - Recreational rides or dog walks: clip to backpacks, reflective vests, or dog harnesses to stay visible. - Quick transfers and flexibility: move the light between bikes or to clothing without tools, ideal when sharing with others or switching activities.