The RSP Mico 1 LED front bike light is a compact & USB (Universal Serial Bus) rechargeable back up light or a additional light option. • 1 high grade LED • Constant & flashing modes • 9 hour runtime • Tool free mounting system • Lithium polymer battery • Direct USB (Universal Serial Bus) charging • Low battery indicator • Silicone housing • 30mm wide x 20mm high x 60mm depth