Model F-17A, F-20, F-22, F-23

• Super-bright LED
  
• Low energy consumption
  
• From 1 to 6 functions
  
• Handy and easy to install
  
• Two models: 3 LED others 5 LED
  
• Use for school, camping, sports
• With Bicycle Bracket and arm strap.

• Two functions: flashing & steady
• Super bright LED up to 500 meters/1500feet
• Use two batteries:AG 13/LR44(1.5vX2)
  at least 50 hours
• Small size & light weight:19g/0.67oz
• Water resistant
• 3 colors: red, green, yellow
• With reflector.