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Increase biking safety and enjoyment with this simple-to-install & remove light set Flexible, stretch silicone band wraps around handlebar, seat post, fenders, seat bags; each 1 oz Two super-bright 15000mcd LED in each - white for front, red for rear; 100,000-hr life 3 settings: flash, strobe & constant-on; 2 Lithium batteries (incl) last up to 60 hrs continuous Weather resistant, lightweight & compact; fit all bikes or for extra visibility attach to helmet Color random !!!