Blackburn Dayblazer 65 Light had your back, day or night with 2 LEDs pumping out 65 lumens of power, 270 degrees of visibility and BLITZ Daytime Running Mode. The Dayblazer 65 is focused on safety, so you can focus on your ride. Also, because of the narrow profile of our unique mounting bracket, the Dayblazer 65 tail light can be mounted to just about anything you can think of from round or aero seat posts, to seat stays, to a rear rack, or your back pack. Features: 1 lithium polymer battery included (2 lithium battery energy content watt hours) Polycarbonite construction Charges via any standard USB port (charging cable included) 2-hour recharge time IP-67 submersible water and dust resistant Run time: 1 Hours (Solid 50 lumen) 3 Hours (High flash 65 lumen) 6 Hours (Low strobe 35 lumen) Specifications: Brightness: 65 Lumens Battery Type: Rechargeable (Micro USB) Run Time: 1 - 6 Hours Beam Color: Red Color: Black Weight: 48g