Topeak's RedLite Aero is sleek and fits most seatposts or seatstays with near-perfect aerodynamic precision. This ultra-bright light uses 3 super-bright red LEDs that get you noticed. The AAA battery (included) offers up to 80 hours of run time with constant and blinking modes.
Run time: 40/80 hours (constant/flashing)
Weight: 32 grams