The cube pro rear light the stvzo road traffic regulations approved cube pro rear light ensures that you are always seen from behind in time the high luminosity is reached via three leds which are powered by two aaa batteries it can be easily attached onto every seat post thanks to the silicone strap cube pro rear light features led rear light with three leds stvzo road traffic regulation approved two aaa batteries 2 stage battery indicator splashproof silicone s