High Power LED Bike Light Crank Flashlight and Mount Dynamo Flashlight  LED Technology. Crank for Power. Never Needs Bulbs or Batteries Adopts 3 phase brushless Generator. 1 LED on, 3 LEDs on or 3 LEDs flash  off for Circle Convenient Mount Included  Use Light On or Off of Bike Rainproof. Durable Black Color(not green as pictured)