Through Authenticate 
● Luminous Intensity distribution characteristics conform to Japan JIS and German StVZO national standards
● E3, Boosted / Steady High Output Circuit
● Super Luminosity Red LEDs
● Patented LitWings™, Light Diffuse Technology
● Optimized Lighting Pattern for Cycle Taillights
● 1 constant and 2 flashing modes
● Quick-Release, adjustable Flex Bracket (for diameter 20 - 45 mm), and bag clip
● Easy installation and battery change
● Batteries: LR6 ( Size "AA" ) x 1
