ECM New Road Bike Tail Light: Sleek "Lightning" Design, Rechargeable, Long Battery Life, Waterproof, and App-Controlled Color/Lighting Modes.

Customer Information Wide Compatibility This taillight is compatible with road bikes from virtually all major brands and is designed to fit over 90% of saddles available on the market. Two Installation Options For a secure and flexible installation, the taillight supports two mounting methods: screw mounting and cable-tie mounting. All necessary mounting accessories and installation tools are included in the package. Taillight Color Customization To customize and change the taillight color, please download the “LotusLamp X” mobile application. If you are unable to locate or download the app, please contact our customer service team for assistance.