Stand out at night! The Blinky 3H combines 3 bright LEDs with a parabolic reflector for up to a mile of visibility. And, its self-leveling helmet mount ensures optimum visibility as you ride. It also includes seatpost and seatstay mounts. The Blinky 3H has steady and flashing modes and runs for up to 100 hours on the included AAA battery. Also, this light includes a reflective lens and side reflective strips for extra safety.