Topeak's HeadLux helmet light is the Siamese twin of bike lights. This one light does double duty with two super-bright LEDs facing forward and two red LEDs facing the rear. Its 3 modes and wrap around lenses ensure you'll be seen. A nice supplement to your regular light set, the HeadLux is a convenient way to add extra safety to your commute. Plus, batteries are included.
Run time: 50/70/100 hours (both constant/white constant red flashing/both flashing)
Weight: 24 grams