Planet Bike Blinky Safety bike light set Blinky front features: Nichia 5mm LED provides steady and flashing modes Blinky front features: Run times: 20 hrs (steady  6 lm) and up to 100 hrs (flashing - 6 lm) Blinky rear features: 5mm LED provides steady and flashing modes Blinky rear features: Run times: 20 hrs (steady  3 lm) and up to 100 hrs (flashing - 6 lm) 1 CR2032 battery (included) Compact bike safety set with ultra-bright white and red LEDs Provides 220 degrees of visibility from up to 1 mile away Includes handlebar brackets, seat post mount, and seat stay mount Each light includes ultra-compact, sturdy, weatherproof case Runs for up to 100 hours on CR2032 battery; limited lifetime warranty