• Lumen Output: 260 • Run Time:4:30 - 30:00hrs • Charge Time:2:30hrs • Weight:65g • Battery: Li-Po • Daylight Visible Flash (DVF) • 260 lumen super bright tail light • Innovative aerodynamic shape with 260 degrees of visibility • Group Ride Mode - be seen without distracting fellow cyclists • Seat post strap mount specific design (no back clip included) • Easy on and off seat post strap mount • Aero and Standard seat post straps included • Convenient USB rechargeable • FL1 Standard IP64, dust and water-resistant • Patent Pending