Serfas UTLA 8 Orion Blast 150 Lumens Tail Light

Features of the Serfas UTLA 8 Orion Blast 150 Lumens Tail Light Light will emit beep sound repeatedly when last minute of runtime in the current mode is reached Light emits a beep when power button is pushed and light goes from mode to mode NEW Aero Bracket Fits Almost Any Post or Applicaton on a Bike Amber Secondary LED Breaks up a Sea of Red in Traffic 70 Micro LED's Solids Modes: High Red85 Lumens: 1 hr, Medium Red50 Lumens: 2 hrs, and Low Red 25 Lumens: 4 hrs Flash Modes: Pulse RedAmber 15070 Lumens: 1.25 hrs, Alt RedAmber 7035 Lumens: 2 hrs, High Flash Red 150 Lumens: 8 hrs, Low Flash Red 60 Lumens: 10 hrs, High Flash Amber 70 Lumens: 10.5 hrs Battery: USB Rechargeable Li Polymer