The Flare R Metro is a simple USB rechargeable rear bike light that can help cyclists be seen after dark. The versatile design and included bike mount make for easy, tool-free attachment to any bicycle. Remove the included mount to reveal a built in clip that securely attaches to a rider's belt clip, pocket, or bag. Flare R Metro Rear Bike Light Features 20 Lumens help make riders more visible after dark Triple LED design can be seen from a wide visibility angle Versatile design can be mounted on bike, belt, or bag Two steady modes and one flash mode Low steady 8L-3 hrs, high steady 20L-1.5hrs, Flash 20L-6 hrs Includes Flare R Metro, Clip Connect Mount, and Micro USB charging cable Integrated clip for secure install on belt or bag, simply remove the mount to access Clip connect mount with 16-degree offset compensates for seatpost angle